IOTM: Melanotic Choroidal Nevus

Image of the Month (IOTM) is a collection of interesting clinical cases with high quality images for all relevant imaging modalities (ex: color fundus, OCT, OCTA, FAF, FA, En Face, Red-free, choroidal vasculography (CVG), anterior imaging) and other clinical results if relevant (ex: visual field plots). Each case is submitted by an eye care professional using one of Topcon’s industry-leading OCT devices.

Case background

69 year old male with a suspicious extramacular melanotic choroidal nevus measuring 1.65mm thick, overlying RPE atrophy, subretinal fluid and 20/20 vision. No growth demonstrated over 2 years of follow up and no response to anti-VEGF therapy. 9 mm vertical Topcon Triton Swept-Source OCT B-scan (Figure D) penetrates the full thickness of the nevus. Spaide Fundus Autofluorescence imaging (Figure A) helps demarcate the nevus and areas of subretinal fl uid as also revealed on OCT. Stable clinical picture.

Diagnosis: Melanotic Choroidal Nevus

Captured with: Topcon DRI OCT Triton

DRI OCT Triton Images:

A. Spaide Fundus Autofluorescence (FAF) Image

B. Color Fundus Image

C. Red-free Image

D. High Resolution 9mm Swept Source OCT B-scan

Captured by: Anna Eppenbrock, Ophthalmic Photographer

Images courtesy of Ranjit Dhaliwal, MD, FRCSC, FACS of The Retina Eye Center in Augusta, GA.

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\The opinions, ideas, views and assumptions expressed are the author’s own and do not necessarily represent the views of Topcon, nor do they constitute advice from Topcon.

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