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
Voex vein invasion is commonly seen in 
Select and explain. 
A. Retinoblastoma, B. malignant Melanoma, C. Optic nerve glioma, D. Medula epithelioma
B: malignant Melanoma
Answer: B: malignant Melanoma 
Explanation: Voex vein invasion is common in malignant Melanoma where does optic nerve invation is common in retinoblastoma Refer khurana 6/e p 420