Epidemic characteristics were in sumary as follows: mean of age 30±14 years (range 6 - 54); sex ratio (male / female) 11/9; site of tumor: superotemporal aspect of the orbit in 10 in which 2 cases showed bonny erosion and extension ouward to temporalis fossa, superonasal in 6, inferonasal in 3 and inferotemporal in 1; Histopathologic results: (1) cystic wall of 13 cases were lined by keratinized stratified squamous epithelium accompanied with skin appendages (hair shaft, sebaceous gland, sweat gland), (2) 7 cases were lined by keratinized stratified squamous epithelium without skin appendages.