Leukemic infiltration of the ciliary body in a child with T-cell acute lymphoblastic leukemia.

A 14-year-old boy presented after 2 months of vision loss, redness, and pain in the right eye, initially treated as anterior uveitis with topical corticosteroids. He had a 1-year history of T-cell acute lymphoblastic leukemia, which had been in remission for 6 months. On examination, visual acuity in the right eye was light perception, with 4+ anterior chamber cells, pupillary membrane, and an intumescent cataract. Ultrasound biomicroscopy (UBM) revealed a ciliary body mass and capsular bag rupture. After consultation with his oncologist, he received 10 radiotherapy sessions. At 1 month, UBM showed resolution of the mass. After 1 year of remission, the patient underwent pars plana vitrectomy, pupillary membranectomy, and placement of a scleral-fixated intraocular lens. Thirty months after surgery, visual acuity was 20/25. Leukemic infiltration of the ciliary body is a rare manifestation of the disease that is often misdiagnosed as uveitis.

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