Ophthalmology Most common primary malignant tumour of orbit is: September 2011, March 2013 (b, d) A Lacrimal gland carcinoma B Rhabdomyosarcoma C Lymphoma D Hemangioma 💡 Explanation Most common primary malignant tumour of orbit is: September 2011, March 2013 (b, d) ✓ Correct Answer: B. Rhabdomyosarcoma