Abstract
A 3-year-old boy with unilateral retinoblastoma Group D was seen after 3 cycles of systemic chemotherapy given elsewhere. Slit-lamp examination revealed anterior-chamber seeding (Fig A). Anterior-segment OCT distinguished tumor-free (Fig B) from invaded (Fig C) Schlemm’s canal (arrows), which was confirmed after enucleation on histopathology (Figs B’and C’). Adjuvant chemotherapy to prevent metastasis is planned. This ongoing case illustrates that OCT can accurately delineate retinoblastoma extent in the anterior segment in vivo (Magnified version of Fig A-C is available online at www.aaojournal.org).
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