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What is Retinoblastoma is associated with: and explain in detail?
Ans: b (Intra orbital calcification) Ref: Khurana, 4th ed,p.Intra orbital calcification is a feature of endophytic retinoblastoma. Presents as multiple growths projecting into the vitreous giving rise to cottage cheese appearance.Ophthalmoscopic appearance of retinoblastoma.Endophytic growth - Well circumscribed polypoid mass into vitreousCalcification present, haemorrhage + / -Exophytic growth - Grows outwards, separating retina from choroidsO/E exudative retinal detachment