Journal of Research in Medical Sciences1735-199512320070719150152ENDepartment of Ophthalmology, Isfahan University of Medical Science, Feiz Hospital, Isfahan, Iran.Department of Ophthalmology, Isfahan University of Medical Science, Feiz Hospital, Isfahan, Iran.Department of Ophthalmology, Isfahan University of Medical Science, Feiz Hospital, Isfahan, Iran.Department of Ophthalmology, Isfahan University of Medical Science, Feiz Hospital, Isfahan, Iran.200612192007021920070131<p>A 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.<br /><strong>KEY WORDS</strong>: Eccrine, hidrocystoma, giant, orbit, eyelid.</p>http://jrms.mui.ac.ir/index.php/jrms/article/view/504http://jrms.mui.ac.ir/index.php/jrms/article/download/504/361