fa کیستهای استخوانی و گزارش دو مورد نادر مقاله اصیل Original Article Different opinions exit in histological typing of bone cysts. Epidermoid cysts are very rare as the small numbers of published cases indicate. They arises following preceding trauma exclusively in distal phalanges and skull. The roentgenogram shows a round osteolytic resion with no trabecular pattern. We observed 2 cases of epidermoid cyst of finger in Imam Khomeini hospital central path department the patients were young workers complaining from local pain several months after trauma. Bone curettage was performed. Bone cyst ، Epidermoid cyst ، Sebaceous cyst 79 82 http://tumj.tums.ac.ir/browse.php?a_code=A-10-25-5132&slc_lang=fa&sid=1 M Jamali No