Mafee M F, Levin B C, Applebaum E L, Campos M, James C F
University of Illinois Hospital, Chicago.
Otolaryngol Clin North Am. 1988 May;21(2):265-93.
High-resolution CT scanning accurately depicts the status of the structures of the temporal bone, allowing delineation of pathology prior to surgical exploration of ears with cholesteatoma. It provides information concerning location and extent of disease as well as possible anatomic variations and complications that may be encountered. The main advantages of CT scanning over polytomography are superior soft-tissue contrast resolution and improved spatial detail at a reduced radiation dose for the patient.
高分辨率CT扫描能准确描绘颞骨结构的状况，有助于在对胆脂瘤型耳进行手术探查前明确病变情况。它能提供有关疾病位置和范围的信息，以及可能遇到的解剖变异和并发症。与断层摄影相比，CT扫描的主要优势在于软组织对比分辨率更高，能以更低的辐射剂量为患者提供更清晰的空间细节。
