Voex Vein invasion is commonly seen in:: (A) Retinoblastoma, (B) Malignant melanoma, (C) Optic nerve gliomas, (D) Medullo-epitheliomas
Answer is B. B i.e. Malignant melanoma Malignant melanoma of choroid is the commonest intraocular malignant primary tumor in adults Q. It involves voex veins Q as choroidal tissue is drained by these veins.