This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
The differential diagnosis of Retinoblastoma include all of the following except 
Select and explain. 
A. Persistent hyperplastic primary vitreous, B. Coats disease, C. Retinal astrocytoma, D. Retinal detachment
D: Retinal detachment
Answer: D: Retinal detachment 
Explanation: Retinal detachment does not present as leucocoria. That is white eye reflex Refer khurana 6/e p 420