Orbital hydatid cyst - A rare case report.

We present a rare case of cystic hydatid disease of orbit and its endoscopic management. A 35-year-old female patient presented with unilateral progressive nonpulsatile proptosis of the right eye. Ophthalmological examination revealed proptosis of right eye with complete visual loss. Hydatid cyst of the orbit is a rare cause of proptosis, which can be safely managed endonasally in selected cases and by albendazole chemotherapy.