This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Ophthalmology
Calcified mass seen in eyes of children: 
Select and explain. 
A. Rhabdomyosarcoma, B. Retinoblastoma, C. Metastasis, D. Leukaemia
B: Retinoblastoma
Answer: B: Retinoblastoma 
Explanation: Ans: b (Retinoblastoma)Calcified mass seen in childrenRetinoblastoma is the most common primary intra ocular malignancy in children. The characteristic feature is calcification which can be detected by an USG B scan or CT scan.