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脑(脊)膜瘤多见于颅内及脊髓腔内,发生于颅外者甚少。本文报告一例极罕见的眼眶、双侧筛窦及额窦同时发生的多发颅外脑膜瘤。患者男性,60岁。1982年1月发现右眼球突出,无痛及视力障碍。2月份检查:颅神经、眼底及视力均无异常,CT扫描于右眼眶、双侧筛窦和额窦有实质性肿瘤阴影。手术摘除右侧筛窦肿瘤并行左筛窦、额窦肿瘤活检,组织学诊断均为脑膜瘤。而后进行头颅及全身CT扫描,未发现其他肿瘤阴影,考虑为颅外脑膜瘤。3月份行眶内肿瘤摘除术,肿瘤大小3×3×3 cm,呈实质性,无明显包膜,与视神经及周围骨膜无粘连,容易摘除,右筛窦外侧壁受压,
Brain (spine) membranous tumor is more common in intracranial and intraspinal cavity, and rarely occurs outside the skull. This article reports a rare case of multiple extracranial meningioma with simultaneous orbital, bilateral ethmoid sinus, and frontal sinus. The patient is male, 60 years old. In January 1982, it was found that the right eye was prominent, painless, and visually impaired. In February, there were no abnormalities in the cranial nerves, fundus, and vision. CT scans had a solid tumor shadow in the right eyelid, bilateral ethmoid sinus, and frontal sinus. Surgical removal of the right ethmoid sinus tumor parallel left ethmoid sinus, frontal sinus tumor biopsy, histological diagnosis of meningioma. Then head and whole body CT scans were performed and no other tumor shadows were found. Extracranial meningioma was considered. Intraorbital tumor resection was performed in March. The tumor size was 3×3×3 cm. It was substantial without obvious capsule. No adhesion with the optic nerve and periosteum around, easy removal, and compression of the right ethmoid sinus lateral wall.