Strother C M, Hoyt W F, Appen R E, Newton T H
Radiology. 1980 Apr;135(1):109-14. doi: 10.1148/radiology.135.1.7360946.
Eleven patients who had unilateral insidious compression of the optic nerve but exhibited no detectable abnormality on plain skull radiographs or non-tomographic views of the optic canal were studied. Paracanalicular meningioma was proved surgically in 10. Complex-motion tomography demonstrated characteristic alterations in the bone forming the optic canal in all cases. These changes consisted of canal enlargement, changes in contour, and an atypical radiographic appearance of the cortical bone, seen as (a) diffuse, spongy, non-homogeneous thickening of the canal margins; (b) multiple tiny saw-tooth-like exostoses projecting into the canal lumen; or (c) short, well-circumscribed areas of smooth bone thickening. Other techniques such as angiography and pneumoencephalography were not as helpful in the diagnosis as complex-motion tomography.
对11例视神经单侧隐匿性受压但颅骨平片或视神经管非断层片未显示可检测到异常的患者进行了研究。手术证实10例为管旁脑膜瘤。所有病例的复杂运动体层摄影术均显示构成视神经管的骨质有特征性改变。这些改变包括管腔扩大、轮廓改变以及皮质骨的非典型影像学表现，表现为：(a)管缘弥漫性、海绵状、不均匀增厚；(b)多个微小的锯齿状骨赘突入管腔；或(c)短的、边界清晰的光滑骨质增厚区。血管造影和气脑造影等其他技术在诊断中不如复杂运动体层摄影术有用。
