Journal of Research in Medical Sciences1735-199512320070719Giant eccrine hidrocystoma of orbit150152ENFatemeEslamiDepartment of Ophthalmology, Isfahan University of Medical Science, Feiz Hospital, Isfahan, Iran.. hrgb2005@yahoo.comFarhadFazelHamidrezaGhasemibasirAfsanehNaderi Beni200612192007021920070131A 14- year-old girl who had an upper eyelid mass for 3 months (without any pain or other symptoms) was referred to us. The orbital CT-scan revealed a superomedial orbital mass and excisional biopsy reported a giant eccrine hidrocystoma.KEY WORDS: Eccrine, hidrocystoma, giant, orbit, eyelid.