Brookler K H, Hoffman R A, Camins M, Terzakis J
Am J Otol. 1980 Jan;1(3):171-3.
Meningiomas rarely arise from or remain limited to the temporal bone. When the diagnosis of temporal bone meningioma is made, it is mandatory to investigate the possibility of an intracranial component. Computerized axial tomography with contrast enhancement is of limited value in detecting small tumors adjacent to the temporal bone or within the internal auditory canal. If the computerized tomogram is normal, a positive contrast posterior fossa myelogram is indicated. The pitfall of depending solely upon computerized tomography to detect intracranial extension became clear in the evaluation of a patient found to have an unusual trilobed meningioma.
脑膜瘤很少起源于颞骨或局限于颞骨。当诊断为颞骨脑膜瘤时，必须检查是否存在颅内病变。增强计算机断层扫描在检测颞骨附近或内耳道内的小肿瘤时价值有限。如果计算机断层扫描结果正常，则需进行阳性对比剂后颅窝脊髓造影。在评估一名患有罕见三叶状脑膜瘤的患者时，仅依靠计算机断层扫描来检测颅内扩展的缺陷变得显而易见。
