The mother of a one and a half year old child gives history of a white reflex from one eye for the past 1 month. On computed tomography scan of the orbit there is calcification seen within the globe. The most likely diagnosis is:: (A) Congenital cataract, (B) Retinoblastoma, (C) Endophtalmitis, (D) Coats disease
Answer is B. Ans. (b) RetinoblastomaRef: Parson's 22/e, p. 400, Kanski 7/e, p. 514Presence of leukocoria (white pupillary reflex) and calcification within the globe in a one and a half year old child is almost diagnostic of retinoblastoma.