Swartz J D
Department of Radiologic Sciences, Medical College of Pennsylvania, Philadelphia 19129.
Crit Rev Diagn Imaging. 1990;30(4):341-417.
CT and MRI have revolutionized the evaluation of the temporal bone and its diseases. Conventional polytomography, once the mainstay of clinical imaging, has now been completely replaced by CT for evaluation of the middle ear, ossicular chain, and otic capsule and by MRI for the study of the internal auditory canal, cerebellopontine angle, and brainstem. This article is an overview of these current methods and depicts normal and pathologic anatomy. The technical aspects and clinical indications for both modalities are discussed.
计算机断层扫描（CT）和磁共振成像（MRI）彻底改变了颞骨及其疾病的评估方式。传统的体层摄影术曾是临床成像的主要手段，如今在评估中耳、听骨链和耳囊方面已完全被CT取代，而在研究内耳道、桥小脑角和脑干方面则被MRI取代。本文概述了这些当前的方法，并描绘了正常和病理解剖结构。同时讨论了这两种检查方式的技术方面和临床适应证。
