Horvath M, Termote J L, Lemahieu S F, Marchal G, Baert A L
Department of Radiology, University Hospital KUL, Leuven, Belgium.
Curr Opin Radiol. 1991 Feb;3(1):109-13.
Pathology in the head and neck region is now often examined using MR imaging. However, CT remains a very valuable tool for staging of tumors and lymph nodes in the pre- and postoperative periods. In cases of sinusitis, CT has completely replaced conventional radiography. Moreover, CT helps in differentiating hypointense spots seen in the paransal sinuses on MR. In dental radiology, CT is superior to pantomography in detecting root resorption due to impacted teeth. Thanks to the development of new scanners, three-dimensional reconstructions are possible and scanning times are reduced.
目前，头颈部病理学检查常采用磁共振成像（MR）。然而，计算机断层扫描（CT）在肿瘤和淋巴结术前及术后分期方面仍是一项非常有价值的工具。在鼻窦炎病例中，CT已完全取代了传统放射摄影。此外，CT有助于鉴别磁共振成像上鼻窦内所见的低信号灶。在牙科放射学中，CT在检测阻生牙引起的牙根吸收方面优于曲面体层摄影。由于新型扫描仪的发展，三维重建成为可能，扫描时间也缩短了。
