Retinoblastoma CT

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [3]

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Overview

Head and neck CT scan may be diagnostic of retinoblastoma. Findings on CT scan suggestive of retinoblastoma include retrolental mass that is usually calcified and a dense vitreous due to haemorrhage.

CT scan

CT demonstrates a contrast-enhancing retrolental mass that is usually calcified. Due to hemorrhage, a dense vitreous humour is also common. Direct spread may occur into the orbit or occur along the optic nerve into the brain. Distant metastases are less common.

Coronal non contrast CT scan showing retinoblastoma

Axial non contrast CT scan showing retinoblastoma