1. Submillimeter retinoblastoma monitoring following transpupillary thermotherapy using hand-held optical coherence tomography

    Submillimeter retinoblastoma monitoring following transpupillary thermotherapy using hand-held optical coherence tomography

    Background Precise, submillimeter visualization of retinal microstructures is useful for treatment monitoring of retinoblastoma. Herein, we report the use of hand-held optical coherence tomography (HH-OCT) to document a nearly-invisible retinoblastoma and monitor tumor response to transpupillary thermotherapy (TTT). Case presentation A 3-week-old boy was diagnosed with unilateral familial retinoblastoma in the left eye, classified as group B, and treated with intravenous chemoreduction. At 13-month follow-up, the tumor in the left eye was regressed, and evaluation of the right eye revealed a microscopic, nearly invisible tumor measuring 372 µm in thickness and 1.51 mm in basal dimension. The tumor was ...

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