Anterior Segment OCT of Scleral Necrosis after Plaque Radiotherapy for Choroidal Melanoma

      A 69-year-old woman with choroidal melanoma of the right eye measuring 8 × 8 × 4.7 mm was treated with plaque radiotherapy (apex dose of 70 Gray and scleral dose of 234 Gray). (A) Three-year follow-up revealed scleral necrosis with visible underlying uveal tissue at the site of radiotherapy. (B) Montage of 2 horizontally cut anterior segment OCT images showed normal cornea and thinned scleral bowing (red arrow). (C) High-power, vertically cut anterior segment OCT showed severe scleral thinning (red arrow) compared with normal sclera (white arrow). History was negative for conditions associated with scleral thinning, including collagen tissue disorders. (Blue overlays indicate image processing.)
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