leucocoria

 Differential diagnosis of leucocoria 1. Retinoblastoma 2. Congenital Cataract 3. Persistent Hyperplastic primary vitreous [PHPV] Most difficult to d/d from Retinoblastoma FATES OF VITREOUS: Before Birth After Birth •         Primary Vitreous → Disappears (retention → PHPV) •         Secondary Vitreous → Normal •         Tertiary Vitreous → Zonules D/D of PHPV from RB: PHPV: Always U/L […]