However, the cause of the hemorrhage could not be determined from his background and thus we feel this to be a case of an actual spontaneous subperiosteal orbital hematoma.

• 但追溯其病历并无外伤及高血压等身体疾病，发作前亦无咳嗽、用力等动作。抽血检查显示正常，电脑断层扫瞄也未发现异常血管。所以，我们认为这是一个自发性眼眶骨膜下出血的病例。