Bilateral proptosis is common in: (A) Cavernous hemangioma, (B) Rhabdomyosarcoma, (C) A-V communications, (D) Orbital cellulitis
Answer is C. C i.e. A-V communications Cavernous hemangioma, capillary hemangioma, dermoid cyst, rhabdomyosarcoma, fibrous histiocytoma, and orbital cellulitisQ mostly cause unilateral proptosis. AV communications eg carotid - cavernous fistula are usually unilateral but may become bilateral (contralateral) alsoQ.