Niki Karavitaki

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Publications

  1. 2021
  2. E-pub ahead of print

    Pituitary neoplasm nomenclature workshop: does adenoma stand the test of time?

    & 29 others, , Niki Karavitaki, Mar 2021, In: Journal of Endocrine Society. 5, 3, bvaa205.

    Research output: Contribution to journal › Article › peer-review

  3. E-pub ahead of print

    Corticotroph tumor progression after bilateral adrenalectomy (Nelson’s syndrome): systematic review and expert consensus recommendations

    Niki Karavitaki & 16 others, , Mar 2021, In: European Journal of Endocrinology. 184, 3, p. P1–P16 16 p.

    Research output: Contribution to journal › Review article › peer-review

  4. 2020
  5. Published

    Nelson’s syndrome: an update

    Niki Karavitaki, Sep 2020, In: Endocrinology and Metabolism Clinics of North America. 49, 3, p. 413-432 20 p.

    Research output: Contribution to journal › Article › peer-review

  6. E-pub ahead of print

    Mortality of patients with Cushing’s disease

    Niki Karavitaki, 9 Jul 2020, In: Experimental and Clinical Endocrinology and Diabetes.

    Research output: Contribution to journal › Article › peer-review

  7. Published

    Prevention of adrenal crisis: cortisol responses to major stress compared to stress dose hydrocortisone delivery

    Alessandro Prete, Angela Taylor, David Smith, Donna O'Neil, Janet Lord, Niki Karavitaki & Wiebke Arlt, Jul 2020, In: Journal of Clinical Endocrinology and Metabolism. 105, 7, p. 2262–2274 13 p.

    Research output: Contribution to journal › Article › peer-review

  8. Published

    Pituitary metastases: presentation and outcomes from a pituitary center over the last decade

    John Ayuk, Andrew Toogood, Neil Gittoes & Niki Karavitaki, 1 Jun 2020, In: Pituitary. 23, 3, p. 258–265

    Research output: Contribution to journal › Article › peer-review

  9. Published

    The epidemiology of aggresssive pituitary tumors (and its challenges)

    Niki Karavitaki, 2 May 2020, In: Reviews in endocrine & metabolic disorders.

    Research output: Contribution to journal › Review article › peer-review

  10. E-pub ahead of print

    Endocrinology in the time of COVID-19: management of pituitary tumours

    Niki Karavitaki, 1 May 2020, In: European Journal of Endocrinology. 13 p.

    Research output: Contribution to journal › Article › peer-review

  11. Published

    Outcomes of patients with Nelson’s syndrome after primary treatment: a multicenter study from 13 UK Pituitary centers

    & 6 others, & Niki Karavitaki, May 2020, In: Journal of Clinical Endocrinology and Metabolism. 105, 5, p. 1527–1537

    Research output: Contribution to journal › Article › peer-review

  12. E-pub ahead of print

    Histopathology of parasellar neoplasms

    Niki Karavitaki, 11 Mar 2020, In: Neuroendocrinology. 13 p.

    Research output: Contribution to journal › Review article › peer-review

  13. Published

    Opioid-induced endocrinopathies

    Niki Karavitaki, Jan 2020, In: The Lancet Diabetes and Endocrinology. 8, 1, p. 68-80 13 p.

    Research output: Contribution to journal › Article › peer-review

  14. 2019
  15. Published

    Hyperprolactinaemia

    Niki Karavitaki, 13 Dec 2019, In: Journal of Clinical Medicine. 8, 12, 24 p., 2203.

    Research output: Contribution to journal › Review article › peer-review

  16. Published

    Pituitary neuroendocrine tumors (PitNETs): nomenclature evolution, not clinical revolution

    Niki Karavitaki, 13 Dec 2019, In: Pituitary. 4 p.

    Research output: Contribution to journal › Letter › peer-review

  17. Published

    The medical therapy of craniopharyngiomas: the way ahead

    Niki Karavitaki, Dec 2019, In: Journal of Clinical Endocrinology and Metabolism. 104, 12, p. 5751–5764 14 p.

    Research output: Contribution to journal › Review article › peer-review

  18. Published

    Management of endocrine disease: visual morbidity in patients with pituitary adenoma

    Niki Karavitaki, 1 Nov 2019, In: European Journal of Endocrinology. 181, 5, p. R185-R197

    Research output: Contribution to journal › Review article › peer-review

  19. E-pub ahead of print

    Dopamine agonist resistant prolactinomas - any alternative medical treatment?

    Niki Karavitaki, 14 Sep 2019, In: Pituitary.

    Research output: Contribution to journal › Review article › peer-review

  20. E-pub ahead of print

    Opioids and their endocrine effects: a systematic review and meta-analysis

    Niki Karavitaki, 12 Sep 2019, In: The Journal of clinical endocrinology and metabolism. dgz022.

    Research output: Contribution to journal › Article › peer-review

  21. Published

    Craniopharyngiomas

    Niki Karavitaki, 2019, EndoText. Feingold, KR., Anawalt, B. & Boyce, A. (eds.). South Dartmouth (MA): MD Text.com, 35 p.

    Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

  22. 2018
  23. E-pub ahead of print

    Recurrence in silent corticotroph adenomas after primary treatment: A systematic review and meta-analysis

    Niki Karavitaki, 21 Dec 2018, In: Journal of Clinical Endocrinology and Metabolism. 104, 4, p. 1039-1048

    Research output: Contribution to journal › Article › peer-review

  24. E-pub ahead of print

    Physicians' awareness of gadolinium retention and MRI timing practices in the longitudinal management of pituitary tumors: a "Pituitary Society" survey

    Niki Karavitaki, 19 Nov 2018, In: Pituitary. 9 p.

    Research output: Contribution to journal › Article › peer-review

  25. E-pub ahead of print

    Association of prolactin receptor (PRLR) variants with prolactinomas

    Caroline M Gorvin, Niki Karavitaki, 15 Nov 2018, In: Human Molecular Genetics. 15 p.

    Research output: Contribution to journal › Article › peer-review

  26. Published

    The cortisol stress response induced by surgery: a systematic review and meta-analysis

    Alessandro Prete, Janet Lord, Niki Karavitaki, Wiebke Arlt, Nov 2018, In: Clinical Endocrinology. p. 554-567

    Research output: Contribution to journal › Article › peer-review

  27. Published

    Surgery for Cushing's disease in pregnancy: our experience and a literature review.

    Wiebke Arlt & Niki Karavitaki, 5 Oct 2018, In: Annals of the Royal College of Surgeons of England. p. e1-e6 6 p.

    Research output: Contribution to journal › Article › peer-review

  28. Published

    Mechanisms in endocrinology: endocrinology of opioids

    Niki Karavitaki, 1 Oct 2018, In: European Journal of Endocrinology. 179, 4, p. R183–R196 14 p.

    Research output: Contribution to journal › Review article › peer-review

  29. E-pub ahead of print

    Macroprolactinoma causing VI, X, XII cranial nerve palsies nearly 30 years after initial treatment

    Zaki Hassan-Smith & Niki Karavitaki, 6 Jul 2018, In: Endocrinology, Diabetes and Metabolism Case Reports . 2018, 1

    Research output: Contribution to journal › Article › peer-review

  30. E-pub ahead of print

    Impact of menopause on outcomes in prolactinomas after dopamine agonist treatment withdrawal

    Wiebke Arlt, Neil Gittoes & Niki Karavitaki, 12 Jun 2018, In: Clinical Endocrinology.

    Research output: Contribution to journal › Article › peer-review

  31. Published

    Mortality in patients with non-functioning pituitary adenoma

    Niki Karavitaki, Apr 2018, In: Pituitary. 21, 2, p. 203–207

    Research output: Contribution to journal › Article › peer-review

  32. E-pub ahead of print

    A rare challenging case of co-existent craniopharyngioma, acromegaly and squamous cell lung cancer

    John Ayuk, Neil Gittoes & Niki Karavitaki, Mar 2018, In: Endocrinology, Diabetes and Metabolism Case Reports . 18-0018.

    Research output: Contribution to journal › Article › peer-review

  33. E-pub ahead of print

    Non-functioning pituitary adenomas, not all the same and certainly not boring!

    Niki Karavitaki, 13 Feb 2018, In: Pituitary.

    Research output: Contribution to journal › Editorial › peer-review

  34. 2017
  35. Published

    Males with prolactinoma are at increased risk of incident cardiovascular disease

    Niki Karavitaki, Krishna Gokhale, KK Cheng & Krishnarajah Nirantharakumar, 19 Dec 2017, In: Clinical Endocrinology. 88, 1, p. 71-76

    Research output: Contribution to journal › Article › peer-review

  36. E-pub ahead of print

    Criteria for the definition of Pituitary Tumor Centers of Excellence (PTCOE): A Pituitary Society Statement

    Niki Karavitaki, 7 Sep 2017, In: Pituitary. 20, 5, p. 489-498

    Research output: Contribution to journal › Article › peer-review

  37. Published

    Diagnosis of Pituitary Disease

    Niki Karavitaki, Aug 2017, In: Medicine. 45, 8, p. 464-469

    Research output: Contribution to journal › Article › peer-review

  38. Published

    Recent advances in molecular pathology of craniopharyngioma

    Niki Karavitaki, 24 Jul 2017, In: F1000Research. 6, 1202.

    Research output: Contribution to journal › Article › peer-review

  39. Published

    Prolactinomas diagnosed in the postmenopausal period: clinical phenotype and outcomes

    Wiebke Arlt, Neil Gittoes & Niki Karavitaki, 18 Jul 2017, In: Clinical Endocrinology.

    Research output: Contribution to journal › Article › peer-review

  40. Published

    Outcome of non-functioning pituitary adenomas that regrow after primary treatment: a study from two large UK centers

    Wiebke Arlt, Neil Gittoes, Michael O'reilly, Andrew Toogood & Niki Karavitaki, 1 Jun 2017, In: Journal of Clinical Endocrinology and Metabolism. 102, 6, p. 1889–1897

    Research output: Contribution to journal › Article › peer-review

  41. Published

    Outcome of non-functioning pituitary adenomas that regrow after primary treatment: a study from two large specialist UK centers

    Wiebke Arlt, Neil Gittoes, Michael O'reilly & Niki Karavitaki, May 2017.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  42. Published

    Outcomes of a nurse-led thyroid clinic at a tertiary-care endocrine centre

    Niki Karavitaki, May 2017.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  43. Published

    Prolactinomas diagnosed after menopause: presentation and outcomes from a large specialist centre

    Wiebke Arlt, Neil Gittoes, Andrew Toogood & Niki Karavitaki, May 2017.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  44. Published

    From pituitary adenoma to pituitary neuroendocrine tumor (PitNET): an International Pituitary Pathology Club proposal

    Niki Karavitaki, 1 Apr 2017, In: Endocrine-related cancer. 24, p. C5-C8

    Research output: Contribution to journal › Article › peer-review

  45. Published

    Bilateral adrenal haemorrhage

    Wiebke Arlt, Michael O'reilly & Niki Karavitaki, Mar 2017, In: QJM: An International Journal of Medicine. 110, 3, p. 169-171 3 p.

    Research output: Contribution to journal › Article › peer-review

  46. Published

    Functioning gonadotroph adenomas: a headache

    Niki Karavitaki, 2 Feb 2017.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  47. Published

    Pituitary spindle cell oncocytoma: a recently recognised tumour entity and challenges in management

    Niki Karavitaki, 2 Feb 2017.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  48. Published

    Epidemiology of Acromegaly: Review of population studies

    Niki Karavitaki, Feb 2017, In: Pituitary. 20, 1, p. 4–9

    Research output: Contribution to journal › Article › peer-review

  49. 2016
  50. Published

    Cushing's syndrome in children

    Niki Karavitaki, 9 Dec 2016, Endocrinologia Clinica. Villa, L. (ed.). 6th ed. Guanabara Koogan

    Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

  51. Published

    A follow-up study of the prevalence of valvular heart abnormalities in hyperprolactinemic patients treated with cabergoline

    Niki Karavitaki, Andrew Toogood & 1 others, , 1 Nov 2016, In: Journal of Clinical Endocrinology and Metabolism. 101, 11, p. 4189-4194 6 p.

    Research output: Contribution to journal › Article › peer-review

  52. Published

    Hormonal Replacement in Hypopituitarism in Adults: An Endocrine Society Clinical Practice Guideline

    Niki Karavitaki, 1 Nov 2016, In: The Journal of clinical endocrinology and metabolism. 101, 11, p. 3888-3921

    Research output: Contribution to journal › Article › peer-review

  53. Published

    Audit on isolated pituitary stalk lesions/thickening in a tertiary hospital: Comprehensive guidelines needed

    Niki Karavitaki, Nov 2016.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  54. Published

    Inpatient Endocrinology: a comprehensive specialty service audit and Quality Improvement Project in a large tertiary care centre

    Niki Karavitaki, Nov 2016.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  55. Published

    Management of multiple endocrine neoplasia type 1 (MEN1) and sporadic pancreatic neuroendocrine tumours (PNETS) in relation to the clinical guidelines: a single centre audit

    Niki Karavitaki, Nov 2016.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  56. Published

    The prolactin receptor variant, Asn492Ile, results in activation of the Akt signalling pathway, and is found more frequently in patients with prolactinomas

    Niki Karavitaki, Nov 2016.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  57. Published

    A macroprolactinoma becoming resistant to cabergoline and developing atypical pathology

    Niki Karavitaki, 18 Oct 2016, In: Journal of Clinical and Translational Endocrinology: Case Reports. 16-0038.

    Research output: Contribution to journal › Article › peer-review

  58. Published

    Therapy Of Endocrine Disease: Surgery In Microprolactinomas: Effectiveness And Risks Based On Contemporary Literature

    Niki Karavitaki, 1 Sep 2016, In: European Journal of Endocrinology. 175, 3, p. R89-96

    Research output: Contribution to journal › Article › peer-review

  59. Published

    Mortality in patients with Cushing's disease more than 10 years after remission: a multicentre, multinational, retrospective cohort study

    Raoul Reulen, Zaki Hassan-Smith, Niki Karavitaki, Jul 2016, In: The Lancet Diabetes and Endocrinology. 4, 7, p. 569-576 8 p.

    Research output: Contribution to journal › Article › peer-review

  60. Published

    Pheochromocytoma Is characterized by catecholamine-mediated myocarditis, focal and diffuse myocardial fibrosis, and myocardial dysfunction

    Zaki Hassan-Smith, Wiebke Arlt, Niki Karavitaki, 24 May 2016, In: Journal of the American College of Cardiology. 67, 20, p. 2364–2374 11 p.

    Research output: Contribution to journal › Article › peer-review

  61. Accepted/In press

    Non-functioning and gonadotrophin secreting adenomas of the pituitary

    Niki Karavitaki, 8 May 2016, (Accepted/In press) The Pituitary. Melmed, S. (ed.). 4th ed. Elsevier

    Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

  62. Accepted/In press

    Clinical diagnosis of human adamantinomatous craniopharyngioma

    Niki Karavitaki, 7 May 2016, (Accepted/In press) Basic Research and Clinical Aspects of Adamantinomatous Craniopharyngioma . Martinez-Barbera, J. P. & Antoniadou, C. (eds.). Sprinter

    Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

  63. Published

    Patient reported outcomes of parenteral somatostatin analogue injections in 195 patients with acromegaly

    Niki Karavitaki, Mar 2016, In: European Journal of Endocrinology. 174, 3, p. 355-362

    Research output: Contribution to journal › Article › peer-review

  64. Published

    Mortality in patients with non-functioning pituitary adenoma is increased: systematic analysis of 546 cases with long follow-up

    Niki Karavitaki, 1 Feb 2016, In: European Journal of Endocrinology. 174, p. 137-145

    Research output: Contribution to journal › Article › peer-review

  65. Published

    Cushing’s disease in pregnancy - Treatment dilemmas

    Niki Karavitaki, Jan 2016.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  66. Published

    Craniopharyngiomas: Natural History and Clinical Presentation

    Niki Karavitaki, 2016, Diagnosis and Management of Craniopharyngiomas. Lania, A., Spada, A. & Lasio, G. (eds.). Springer

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

  67. 2015
  68. Published

    Systematic comparison of MEN-1 and sporadic pancreatic neuroendocrine tumours: The Oxford NET Centre experience

    Niki Karavitaki, 7 Dec 2015.

    Research output: Contribution to conference (unpublished) › Poster › peer-review

  69. Published

    Mortality of patients with non-functioning pituitary macroadenoma is significantly elevated: systematic analysis of 546 cases in a tertiary referral centre in the UK

    Niki Karavitaki, 2 Nov 2015.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  70. Published

    The burden of AIP mutations in pituitary adenoma patients from the UK

    Niki Karavitaki, 2 Nov 2015.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  71. E-pub ahead of print

    Effectiveness of metyrapone in treating Cushing's Syndrome: a retrospective multicenter study in 195 patients

    Kristien Boelaert, Niki Karavitaki & 8 others, , 9 Sep 2015, In: The Journal of clinical endocrinology and metabolism. 100, 11, jc20152616.

    Research output: Contribution to journal › Article › peer-review

  72. E-pub ahead of print

    Treating prolactinomas with dopamine agonists: always worth the gamble?

    Niki Karavitaki, 4 Sep 2015, In: Endocrine.

    Research output: Contribution to journal › Article › peer-review

  73. Published

    Landscape of Familial Isolated and Young-Onset Pituitary Adenomas: Prospective Diagnosis in AIP Mutation Carriers

    Niki Karavitaki, 1 Sep 2015, In: The Journal of clinical endocrinology and metabolism. 100, 9, p. E1242-E1254

    Research output: Contribution to journal › Article › peer-review

  74. Published

    Diabetes insipidus after traumatic brain injury

    Niki Karavitaki, 13 Jul 2015, In: Journal of Clinical Medicine. 4, 7, p. 1448-62 15 p.

    Research output: Contribution to journal › Article › peer-review

  75. Published

    Neurofibromatosis Type 1 and pancreatic islet cell tumours: an association which should be recognized

    Niki Karavitaki, Jul 2015, In: QJM. 108, 7, p. 573-576 4 p.

    Research output: Contribution to journal › Article › peer-review

  76. Published

    Management of endocrine disease: pituitary tumour apoplexy

    Niki Karavitaki, May 2015, In: European Journal of Endocrinology. 172, 5, p. R179-R190

    Research output: Contribution to journal › Article › peer-review

  77. Published

    Pituitary disorders in pregnancy

    Niki Karavitaki, 18 Apr 2015, In: Hormones (Athens, Greece). 14, 1, p. 70-80 11 p.

    Research output: Contribution to journal › Article › peer-review

  78. Published

    Clinical and biochemical manifestations of Cushing's

    Niki Karavitaki, Apr 2015, In: Pituitary. 18, 2, p. 181-187 7 p.

    Research output: Contribution to journal › Article › peer-review

  79. Published

    Efficacy and complications of pituitary irradiation

    Niki Karavitaki, Mar 2015, In: Endocrinology and Metabolism Clinics of North America. 44, 1, p. 117-26 10 p.

    Research output: Contribution to journal › Article › peer-review

  80. Published

    The Wnt signalling cascade and the adherens junction complex in craniopharyngioma tumorigenesis

    Niki Karavitaki, Mar 2015, In: Endocrine pathology. 26, 1, p. 1-8 8 p.

    Research output: Contribution to journal › Article › peer-review

  81. Published

    Childhood Hypothalamic and Pituitary Tumors

    Niki Karavitaki, 2015, Endocrinology, Adult and Pediatric. Jameson, L. & De Groot, L. (eds.). W B Saunders Co Ltd

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

  82. Published

    Mortality of patients with non-functioning pituitary macroadenoma is significantly elevated: systematic analysis of 546 cases in a tertiary referral centre in the UK

    Niki Karavitaki, 2015.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  83. Published

    Patient Reported Outcomes Survey in Acromegaly Patients Treated with Parenteral Somatostatin Analogues

    Niki Karavitaki, 2015.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  84. Published

    Recent Advances in the Management of Acromegaly

    Niki Karavitaki, 2015, In: F1000Research. 11, 4

    Research output: Contribution to journal › Article › peer-review

  85. 2014
  86. Published

    Clinical review: Functioning gonadotroph adenomas

    Niki Karavitaki, Dec 2014, In: The Journal of clinical endocrinology and metabolism. 99, 12, p. 4423-33 11 p.

    Research output: Contribution to journal › Article › peer-review

  87. Published

    Sequence analysis of the catalytic subunit of PKA in somatotroph adenomas

    Niki Karavitaki, Dec 2014, In: European Journal of Endocrinology. 171, 6, p. 705-10 6 p.

    Research output: Contribution to journal › Article › peer-review

  88. Published

    Low rate of germline AIP mutations in patients with apparently sporadic pituitary adenomas before the age of 40: a single-centre adult cohort

    Niki Karavitaki, Nov 2014, In: European Journal of Endocrinology. 171, 5, p. 659-66 8 p.

    Research output: Contribution to journal › Article › peer-review

  89. Published

    Transsphenoidal pituitary surgery in the elderly is safe and effective

    Niki Karavitaki, Oct 2014, In: British Journal of Neurosurgery. 28, 5, p. 616-21 6 p.

    Research output: Contribution to journal › Article › peer-review

  90. Published

    Diagnosis and management of prolactinomas and non-functioning pituitary adenomas

    Niki Karavitaki, 10 Sep 2014, In: BMJ. 2014, 349, 6 p., g5390.

    Research output: Contribution to journal › Article › peer-review

  91. Published

    Refractory hypercalcaemia secondary to parathyroid carcinoma: response to high-dose denosumab

    Niki Karavitaki, Jul 2014, In: European Journal of Endocrinology. 171, 1, p. K1-5

    Research output: Contribution to journal › Article › peer-review

  92. Published

    BRAF V600E mutations are characteristic for papillary craniopharyngioma and may coexist with CTNNB1-mutated adamantinomatous craniopharyngioma

    Niki Karavitaki, Jun 2014, In: Acta Neuropathologica . 127, 6, p. 927-9 3 p.

    Research output: Contribution to journal › Article › peer-review

  93. Published

    A patient with an apparently sporadic pheochromocytoma with a rearranged during transfection codon 635 variant: a mild form of multiple endocrine neoplasia type 2?

    Niki Karavitaki, Apr 2014, In: Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists. 20, 4, p. e65-8

    Research output: Contribution to journal › Article › peer-review

  94. Published

    IGF2-induced hypoglycemia unresponsive to everolimus

    Niki Karavitaki, Apr 2014, In: QJM. 107, 4, p. 297-300 4 p.

    Research output: Contribution to journal › Article › peer-review

  95. Published

    Management of craniopharyngiomas

    Niki Karavitaki, Mar 2014, In: Journal of endocrinological investigation. 37, 3, p. 219-28 10 p.

    Research output: Contribution to journal › Article › peer-review

  96. Published

    A cross-sectional study of the prevalence of cardiac valvular abnormalities in hyperprolactinemic patients treated with ergot-derived dopamine agonists

    Andrew Toogood & Niki Karavitaki, Jan 2014, In: The Journal of clinical endocrinology and metabolism. 99, 1, p. 90-6 7 p.

    Research output: Contribution to journal › Article › peer-review

  97. Published

    Adrenal insufficiency in acute oral opiate therapy

    Niki Karavitaki, 2014, In: Endocrinology, diabetes & metabolism case reports. 2014, 130071.

    Research output: Contribution to journal › Article › peer-review

  98. Published

    Clinical Effectiveness of Metyrapone Monotherapy in 195 Patients with Cushing's Syndrome

    Niki Karavitaki, 2014.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  99. Published

    Effectiveness of metyrapone in 195 patients with Cushing's syndrome

    Niki Karavitaki, 2014.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  100. Published

    High incidence of cardiac involvement in patients diagnosed with phaeochromocytoma: a clinical study using cardiovascular magnetic resonance imaging

    Niki Karavitaki, 2014.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  101. Published

    Mutations in BRAF and CTNNB1 Genetically Distinguish Papillary and Adamantinomatous Craniopharyngiomas

    Niki Karavitaki, 2014.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  102. Published

    Rathke's cleft cyst

    Niki Karavitaki, 2014, Clinical Neuroendocrinology. Fliers, E., Korbonits, M. & Romijn, J. A. (eds.). Elsevier, Vol. 124. p. 255-69 15 p. Chapter 17. (Handbook of Clinical Neurology; vol. 124).

    Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

  103. Published

    The Prevention of Adrenal Crisis in Stress (PACS) study: serum cortisol during elective surgery and acute trauma in comparison to stress dose hydrocortisone in adrenal insufficiency

    Niki Karavitaki, 2014.

    Research output: Contribution to conference (unpublished) › Abstract › peer-review

  104. 2013
  105. Published

    Dandy-Walker malformation, papillary thyroid carcinoma, and SDHD-associated paraganglioma syndrome

    Niki Karavitaki, Dec 2013, In: The Journal of clinical endocrinology and metabolism. 98, 12, p. 4595-6 2 p.

    Research output: Contribution to journal › Article › peer-review

  106. Published

    Control of growth hormone and IGF1 in patients with acromegaly in the UK: responses to medical treatment with somatostatin analogues and dopamine agonists

    Niki Karavitaki, Nov 2013, In: Clinical Endocrinology. 79, 5, p. 689-99 11 p.

    Research output: Contribution to journal › Article › peer-review

  107. Published

    Mortality in Cushing's syndrome: systematic analysis of a large series with prolonged follow-up

    Niki Karavitaki, Nov 2013, In: European Journal of Endocrinology. 169, 5, p. 715-23 9 p.

    Research output: Contribution to journal › Article › peer-review

  108. Published

    The management of head-and-neck paragangliomas

    Niki Karavitaki, Oct 2013, In: Endocrine-related cancer. 20, 5, p. R291-305

    Research output: Contribution to journal › Article › peer-review

  109. Published

    Does hypopituitarism recover when macroprolactinomas are treated with cabergoline?

    Niki Karavitaki, Aug 2013, In: Clinical Endocrinology. 79, 2, p. 217-23 7 p.

    Research output: Contribution to journal › Article › peer-review

  110. Published

    A thyroxine absorption test followed by weekly thyroxine administration: a method to assess non-adherence to treatment

    Niki Karavitaki & Amit Allahabadia, Jun 2013, In: European Journal of Endocrinology. 168, 6, p. 913-7 5 p.

    Research output: Contribution to journal › Article › peer-review

  111. Published

    Confusing genes: a patient with MEN2A and Cushing's disease

    Niki Karavitaki, Jun 2013, In: Clinical Endocrinology. 78, 6, p. 966-8 3 p.

    Research output: Contribution to journal › Article › peer-review

  112. Published

    Hypophyseal Wegener's granulomatosis presenting by visual field constriction without hypopituitarism

    Niki Karavitaki, Jun 2013, In: Clinical Neurology and Neurosurgery. 115, 6, p. 762-4 3 p.

    Research output: Contribution to journal › Article › peer-review

  113. Published

    Quality of life in adults with congenital adrenal hyperplasia relates to glucocorticoid treatment, adiposity and insulin resistance: United Kingdom Congenital adrenal Hyperplasia Adult Study Executive (CaHASE)

    Nils Krone, Wiebke Arlt & Niki Karavitaki, Jun 2013, In: European Journal of Endocrinology. 168, 6, p. 887-93 7 p.

    Research output: Contribution to journal › Article › peer-review

  114. Published

    Granulation pattern, but not GSP or GHR mutation, is associated with clinical characteristics in somatostatin-naive patients with somatotroph adenomas

    Niki Karavitaki, Apr 2013, In: European Journal of Endocrinology. 168, 4, p. 491-9 9 p.

    Research output: Contribution to journal › Article › peer-review

  115. Published

    Whole-exome sequencing studies of nonfunctioning pituitary adenomas

    Niki Karavitaki, Apr 2013, In: The Journal of clinical endocrinology and metabolism. 98, 4, p. E796-800

    Research output: Contribution to journal › Article › peer-review

  116. Published

    Current treatment protocols can offer a normal or near-normal quality of life in the majority of patients with non-functioning pituitary adenomas

    Niki Karavitaki, Jan 2013, In: Clinical Endocrinology. 78, 1, p. 86-93 8 p.

    Research output: Contribution to journal › Article › peer-review

  117. 2012
  118. Published

    Etomidate in the management of hypercortisolaemia in Cushing's syndrome: a review

    Niki Karavitaki, Aug 2012, In: European Journal of Endocrinology. 167, 2, p. 137-43 7 p.

    Research output: Contribution to journal › Article › peer-review

  119. Published

    Expression of guanylyl cyclase-B (GC-B/NPR2) receptors in normal human fetal pituitaries and human pituitary adenomas implicates a role for C-type natriuretic peptide

    Niki Karavitaki, Aug 2012, In: Endocrine-related cancer. 19, 4, p. 497-508 12 p.

    Research output: Contribution to journal › Article › peer-review

  120. Published

    Mini-review: pheochromocytomas causing the ectopic ACTH syndrome

    Niki Karavitaki, Aug 2012, In: Endocrine. 42, 1, p. 69-73 5 p.

    Research output: Contribution to journal › Article › peer-review

  121. Published

    Somatostatin analogs modulate AIP in somatotroph adenomas: the role of the ZAC1 pathway

    Niki Karavitaki, Aug 2012, In: The Journal of clinical endocrinology and metabolism. 97, 8, p. E1411-20

    Research output: Contribution to journal › Article › peer-review

  122. Published

    Ipilimumab: a novel immunomodulating therapy causing autoimmune hypophysitis: a case report and review

    Niki Karavitaki, Jul 2012, In: European Journal of Endocrinology. 167, 1, p. 1-5 5 p.

    Research output: Contribution to journal › Article › peer-review

  123. Published

    Disconnection hyperprolactinaemia in nonadenomatous sellar/parasellar lesions practically never exceeds 2000 mU/l

    Niki Karavitaki, Apr 2012, In: Clinical Endocrinology. 76, 4, p. 602-3 2 p.

    Research output: Contribution to journal › Article › peer-review

  124. Published

    Prevalence and incidence of pituitary adenomas

    Niki Karavitaki, Apr 2012, In: Annales d'endocrinologie. 73, 2, p. 79-80 2 p.

    Research output: Contribution to journal › Article › peer-review

  125. Published

    Rathke's cleft cysts

    Niki Karavitaki, Feb 2012, In: Clinical Endocrinology. 76, 2, p. 151-60 10 p.

    Research output: Contribution to journal › Article › peer-review

  126. 2011
  127. Published

    Can we ever stop imaging in surgically treated and radiotherapy-naive patients with non-functioning pituitary adenoma?

    Niki Karavitaki, Nov 2011, In: European Journal of Endocrinology. 165, 5, p. 739-44 6 p.

    Research output: Contribution to journal › Article › peer-review

  128. Published

    Pituitary apoplexy in non-functioning pituitary adenomas: long term follow up is important because of significant numbers of tumour recurrences

    Niki Karavitaki, Oct 2011, In: Clinical Endocrinology. 75, 4, p. 501-4 4 p.

    Research output: Contribution to journal › Article › peer-review

  129. Published

    Outcome in surgically treated Rathke's cleft cysts: long-term monitoring needed

    Niki Karavitaki, Jul 2011, In: European Journal of Endocrinology. 165, 1, p. 33-7 5 p.

    Research output: Contribution to journal › Article › peer-review

  130. Published

    The postoperative monitoring of nonfunctioning pituitary adenomas

    Niki Karavitaki, Jul 2011, In: Nature Reviews Endocrinology. 7, 7, p. 431-4 4 p.

    Research output: Contribution to journal › Article › peer-review

  131. 2010
  132. Published

    Nelson's syndrome

    Niki Karavitaki, Oct 2010, In: European Journal of Endocrinology. 163, 4, p. 495-507 13 p.

    Research output: Contribution to journal › Article › peer-review

  133. Published

    Characterization of aryl hydrocarbon receptor interacting protein (AIP) mutations in familial isolated pituitary adenoma families

    Niki Karavitaki, Aug 2010, In: Human Mutation. 31, 8, p. 950-60 11 p.

    Research output: Contribution to journal › Article › peer-review

  134. Published

    Prevalence of pituitary adenomas: a community-based, cross-sectional study in Banbury (Oxfordshire, UK)

    Niki Karavitaki, Mar 2010, In: Clinical Endocrinology. 72, 3, p. 377-82 6 p.

    Research output: Contribution to journal › Article › peer-review

  135. Published

    Opioid induced hypogonadism

    Niki Karavitaki, 2010, In: BMJ. 341, p. c4462

    Research output: Contribution to journal › Article › peer-review

  136. 2009
  137. Published

    The value of the oral glucose tolerance test, random serum growth hormone and mean growth hormone levels in assessing the postoperative outcome of patients with acromegaly

    Niki Karavitaki, Angel Fernandez, Dec 2009, In: Clinical Endocrinology. 71, 6, p. 840-5 6 p.

    Research output: Contribution to journal › Article › peer-review

  138. Published

    Non-adenomatous pituitary tumours

    Niki Karavitaki, Oct 2009, In: Best practice & research. Clinical endocrinology & metabolism. 23, 5, p. 651-65 15 p.

    Research output: Contribution to journal › Article › peer-review

  139. Published

    An e-mail GP advisory service: a more efficient way of dealing with clinical enquiries

    Niki Karavitaki, Sep 2009, In: British journal of hospital medicine. 70, 9, p. 532-3 2 p.

    Research output: Contribution to journal › Article › peer-review

  140. Published

    Nonfunctioning pituitary adenomas: the Oxford experience

    Niki Karavitaki, Sep 2009, In: Nature Reviews Endocrinology. 5, 9, p. 519-22 4 p.

    Research output: Contribution to journal › Article › peer-review

  141. Published

    Radiation-induced hypopituitarism

    Niki Karavitaki, Sep 2009, In: Endocrine-related cancer. 16, 3, p. 733-72 40 p.

    Research output: Contribution to journal › Article › peer-review

  142. Published

    GH replacement in patients with non-functioning pituitary adenoma (NFA) treated solely by surgery is not associated with increased risk of tumour recurrence

    Jennifer Arnold, Niki Karavitaki, Mar 2009, In: Clinical Endocrinology. 70, 3, p. 435-8 4 p.

    Research output: Contribution to journal › Article › peer-review

  143. Published

    Valvular heart disease and the use of cabergoline for the treatment of prolactinoma

    Niki Karavitaki, Jan 2009, In: Clinical Endocrinology. 70, 1, p. 104-8 5 p.

    Research output: Contribution to journal › Article › peer-review

  144. Published

    Radiotherapy of other sellar lesions

    Niki Karavitaki, 2009, In: Pituitary. 12, 1, p. 23-9 7 p.

    Research output: Contribution to journal › Article › peer-review

  145. 2008
  146. Published

    Craniopharyngiomas. Historical aspects of their management

    Niki Karavitaki, 13 Aug 2008, In: Hormones (Athens, Greece). 7, 3, p. 271-4 4 p.

    Research output: Contribution to journal › Article › peer-review

  147. Published

    Surgical debulking of pituitary macroadenomas causing acromegaly improves control by lanreotide

    Niki Karavitaki, Jun 2008, In: Clinical Endocrinology. 68, 6, p. 970-5 6 p.

    Research output: Contribution to journal › Article › peer-review

  148. Published

    Craniopharyngiomas

    Niki Karavitaki, Mar 2008, In: Endocrinology and Metabolism Clinics of North America. 37, 1, p. 173-93, ix-x

    Research output: Contribution to journal › Article › peer-review

  149. Published

    Acromegaly and anaplastic astrocytoma: coincidence or pathophysiological relation?

    Niki Karavitaki, 2008, In: Pituitary. 11, 3, p. 325-30 6 p.

    Research output: Contribution to journal › Article › peer-review

  150. Published

    Collision lesions of the sella: co-existence of craniopharyngioma with gonadotroph adenoma and of Rathke's cleft cyst with corticotroph adenoma

    Niki Karavitaki, 2008, In: Pituitary. 11, 3, p. 317-23 7 p.

    Research output: Contribution to journal › Article › peer-review

  151. 2007
  152. Published

    What is the natural history of nonoperated nonfunctioning pituitary adenomas?

    Niki Karavitaki, Dec 2007, In: Clinical Endocrinology. 67, 6, p. 938-43 6 p.

    Research output: Contribution to journal › Article › peer-review

  153. Published

    Silent corticotroph adenomas

    Niki Karavitaki, Nov 2007, In: Arquivos Brasileiros de Endocrinologia & Metabologia. 51, 8, p. 1314-8 5 p.

    Research output: Contribution to journal › Article › peer-review

  154. Published

    What are the markers of aggressiveness in prolactinomas? Changes in cell biology, extracellular matrix components, angiogenesis and genetics

    Niki Karavitaki, Feb 2007, In: European Journal of Endocrinology. 156, 2, p. 143-53 11 p.

    Research output: Contribution to journal › Article › peer-review

  155. Published

    Hypopituitarism oddities: craniopharyngiomas

    Niki Karavitaki, 2007, In: Hormone Research. 68 Suppl 5, p. 151-3 3 p.

    Research output: Contribution to journal › Article › peer-review

  156. 2006
  157. Published

    Do the limits of serum prolactin in disconnection hyperprolactinaemia need re-definition? A study of 226 patients with histologically verified non-functioning pituitary macroadenoma

    Niki Karavitaki, Oct 2006, In: Clinical Endocrinology. 65, 4, p. 524-9 6 p.

    Research output: Contribution to journal › Article › peer-review

  158. Published

    Pegvisomant: a new treatment modality for acromegaly

    Niki Karavitaki, 20 Sep 2006, In: Hormones (Athens, Greece). 3, 1, p. 27-36 10 p.

    Research output: Contribution to journal › Article › peer-review

  159. Published

    Craniopharyngiomas

    Niki Karavitaki, Jun 2006, In: Endocrine Reviews. 27, 4, p. 371-97 27 p.

    Research output: Contribution to journal › Article › peer-review

  160. Published

    GH replacement does not increase the risk of recurrence in patients with craniopharyngioma

    Niki Karavitaki, May 2006, In: Clinical Endocrinology. 64, 5, p. 556-60 5 p.

    Research output: Contribution to journal › Article › peer-review

  161. Published

    A case of post-traumatic isolated ACTH deficiency with spontaneous recovery 9 months after the event

    Niki Karavitaki, David Henderson-Slater, Feb 2006, In: Journal of Neurology Neurosurgery and Psychiatry. 77, 2, p. 276-7 2 p.

    Research output: Contribution to journal › Article › peer-review

  162. 2005
  163. Published

    Treatment of pituitary tumors: History

    Niki Karavitaki, Oct 2005, In: Endocrine. 28, 1, p. 3-8 6 p.

    Research output: Contribution to journal › Article › peer-review

  164. Published

    Molecular staging using qualitative RT-PCR analysis detecting thyreoglobulin mRNA in the peripheral blood of patients with differentiated thyroid cancer after therapy

    Niki Karavitaki, 6 Aug 2005, In: Anticancer research. 25, 4, p. 3135-42 8 p.

    Research output: Contribution to journal › Article › peer-review

  165. Published

    The impact of chronic in vivo glucocorticoid excess on the functional characteristics of human skin fibroblasts obtained from patients with endogenous Cushing's syndrome

    Niki Karavitaki, Jun 2005, In: European Journal of Endocrinology. 152, 6, p. 895-902 8 p.

    Research output: Contribution to journal › Article › peer-review

  166. Published

    Evaluation of GH reserve in patients with adrenal incidentalomas and biochemical evidence of subclinical autonomous glucocorticoid hypersecretion

    Niki Karavitaki, May 2005, In: Clinical Endocrinology. 62, 5, p. 597-602 6 p.

    Research output: Contribution to journal › Article › peer-review

  167. Published

    Craniopharyngiomas in children and adults: systematic analysis of 121 cases with long-term follow-up

    Niki Karavitaki, Apr 2005, In: Clinical Endocrinology. 62, 4, p. 397-409 13 p.

    Research output: Contribution to journal › Article › peer-review

  168. Published

    The value of an acute octreotide suppression test in predicting long-term responses to depot somatostatin analogues in patients with active acromegaly

    Niki Karavitaki, Mar 2005, In: Clinical Endocrinology. 62, 3, p. 282-8 7 p.

    Research output: Contribution to journal › Article › peer-review

  169. 2004
  170. Published

    Assessment of GH reserve before and after successful treatment of adult patients with Cushing's syndrome

    Niki Karavitaki, Mar 2004, In: Clinical Endocrinology. 60, 3, p. 309-14 6 p.

    Research output: Contribution to journal › Article › peer-review

  171. Published

    Evaluation of bone mineral density of the peripheral skeleton in pre- and postmenopausal women with newly diagnosed endogenous Cushing's syndrome

    Niki Karavitaki, Feb 2004, In: Clinical Endocrinology. 60, 2, p. 264-70 7 p.

    Research output: Contribution to journal › Article › peer-review

  172. 2002
  173. Published

    Recurrent and/or metastatic thyroid cancer: therapeutic options

    Niki Karavitaki, Jul 2002, In: Expert Opinion on Pharmacotherapy. 3, 7, p. 939-47 9 p.

    Research output: Contribution to journal › Article › peer-review