Retinal vasculitis and ocular vitreous metastasis following complete response to PD-1 inhibition in a patient with metastatic cutaneous melanoma

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Authors

  • Joshua S Manusow
  • Leila Khoja
  • Nataly Pesin
  • Anthony M Joshua
  • Efrem D Mandelcorn

Colleges, School and Institutes

Abstract

We report on a 36-year-old woman treated with the anti PD-1 antibody Pembrolizumab for metastatic cutaneous melanoma in the first line setting. She achieved a complete response and then relapsed with metastases to the vitreous cavity with an associated angiographically determined retinal vasculitis. Vitreous metastasis without choroidal involvement is unusual and may be due to individual cell extravasation, vitreous hemorrhage containing malignant cells, or direct spread through the optic nerve. This finding highlights the need for immune sanctuary sites to be monitored in the presence of PD-1 inhibition and we hypothesize that the use of PD-1 inhibitor potentiated the patient's angiographically determined retinal vasculitis.

Details

Original languageEnglish
Article number41
Number of pages4
JournalJournal for ImmunoTherapy of Cancer
Volume2
Issue number1
Publication statusPublished - 16 Dec 2014

Keywords

  • Vitreous metastasis, Melanoma, Retinal vasculitis, PD-1 inhibitor, Melanoma-associated Retinopathy (MAR)