March 2020 Image of the Month

Image of the Month, a recurring feature in Retinal Physician since 2006, spotlights diagnostic images captured by industry practitioners using innovative technology and diagnostic instruments.

Melanotic Choroidal Nevus

TOPCON

Images Courtesy of Ranjit Dhaliwal, MD, FRCSC, FACS, The Retina Eye Center, Augusta, GA

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 fluid as also revealed on OCT. Stable clinical picture.

DIAGNOSIS

Melanotic Choroidal Nevus

IMAGE GLOSSARY:

A. Spaide Fundus Autofluorescence (FAF) Image
B. Color Fundus Image
C. Red-free Image
D. High Resolution 9mm Swept Source OCT B-scan

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.

Submissions for the "Image of the Month" can be made at, topconmedical.com/imageofthemonth.

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