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- paraneoplastic syndrome
- interphotoreceptor retinoid binding protein
- detachment of the neurosensory retina
- cancer-associated retinopathy
- melanoma associated retinopathy
A 74-year-old Caucasian man developed gradual bilateral visual loss over 3 months. He had bilateral chronic open-angle glaucoma treated with trabeculectomy. Past medical history included cutaneous melanoma of the face and neck excised 14 months earlier. The patient then developed brain metastasis treated with external beam radiotherapy 6 months prior and liver, axillary lymph nodes and lung metastasis treated with systemic chemotherapy 3 months earlier.
On ocular examination, best corrected visual acuities were 20/70 in the right eye (OD) and 20/60 in the left eye (OS). Intraocular pressures were 10 mm Hg in both eyes. Slit-lamp examination showed bilateral filtering blebs, mild nuclear sclerotic cataract OD and intraocular lens OS. Funduscopy revealed three serous detachments of the neurosensory retina in the macula OD measuring 2–3 mm in basal diameter. Six similar lesions were found in the posterior pole of OS ranging from 1 to 2 mm in diameter. There were no choroidal metastases. Optical coherence tomography (OCT) documented numerous serous detachments of the neurosensory retina in each eye (figure 1). Fullfield electroretinogram (ERG) analysing cone and rod function separately was normal. Electro-oculogram (EOG) was not obtained due to patient preference (figure 2).