October 2019 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.

Toxoplasmosis Retinochoroiditis

TOPCON

Images Courtesy of Netan Choudhry, MD FRCS(C) DABO Medical Director Vitreous Retina Macula Specialists of Toronto Toronto, Canada

BACKGROUND

57-year-old Indian female with a prior history of posterior uveitis referred for scarring OD. BCVA 20/20 OU, diagnostic testing demonstrated +IgG antibodies to toxoplasmosis, IgM was negative. Upon further questioning, patient did report prior history of eating uncooked pork. Color Fundus photograph of the right eye (Image A) demonstrated several exterafoveal pigmented chorioretinal atrophy lesions. Enface Swept-Source OD (Image B) demonstrated several chorioretinal lesions. OCT B-scan of the macula (Image C) demonstrated outer retinal, ellipsoid zone, RPE and atrophy of the choriocapillaris. 24mm posterior pole structural B-scan OCT (Image D) revealed two regions of retinal atrophy.

DIAGNOSIS

Toxoplasmosis Retinochoroiditis

IMAGE GLOSSARY:

A. Color Fundus Image
B. Enface Swept-Source OCT Image
C. OCT B-scan of the Macula
D. 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.

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