眼眶原始性神经外胚叶肿瘤罕见，国外仅发现报道６例，国内尚未见报道，今将我们所见１例报告如下。患者，男，８岁。因右眼眶下部肿物术后复发，于１９９７年６月９日入院。入院前约３个月发现右眼眶下部肿物，曾在当地县医院手术，标本送病理科。检查：双眼视力均１．０... The primitive orbital neuroectodermal tumors are rare, and only 6 cases have been reported in foreign countries. There have been no reports in China yet. One case report we have seen so far is as follows. Patient, male, 8 years old. He was admitted to hospital on June 9, 1997 because of a recurrence of a tumor in his right eyelid. About 3 months before admission, a tumor was found in the lower part of the right eye. He had been operated in a local county hospital and the specimen was sent to the Department of Pathology. Check: both eyesight are 1.0...