This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Voex veins invasion is commonly seen in: March 2004 
Select and explain. 
A. Retinoblastoma, B. Malignant melanoma of the choroid, C. Optic nerve glioma, D. Medulla epitheloima
B: Malignant melanoma of the choroid
Answer: B: Malignant melanoma of the choroid 
Explanation: Ans. B i.e. Malignant melanoma of the choroid