Paraneoplastic retinopathy associated with metastatic cutaneous melanoma of unknown primary site

Eye
H KiratliA Keçeci

Abstract

To describe further the clinical and immunological features of cutaneous melanoma-associated retinopathy, which is an infrequent form of paraneoplastic syndrome. We studied the salient clinical and immunological aspects of a 66-year-old man with metastatic cutaneous melanoma to lymph nodes of unknown primary site who developed melanoma-associated retinopathy. There was gradual loss of vision in the left eye. Colour vision and night vision were not affected. Visual fields showed arcuate defects. A full-field electroretinogram demonstrated attenuation of the b-wave amplitude in the left eye. The a-wave was intact. Indirect immunofluorescence techniques showed that the antibody reactions took place mainly in the outer plexiform layer of the retina. Bipolar cells seem to be the target in melanoma-associated retinopathy. Contrary to previous reports, night blindness may not be a universal finding.

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