Johnson M H
Associate Professor of Radiology, Medical College of Virginia, Virginia Commonwealth University, Richmond, Virginia 23298-0615, USA.
Neuroimaging Clin N Am. 1998 Feb;8(1):119-41.
Conventional computed tomography (CT) and magnetic resonance (MR) angiography provide excellent vascular images; however, every radiologist interpreting routine cross-sectional imaging of the head and neck must recognize normal and abnormal vascular structures. Knowledge of the normal cross-sectional appearance of vessels can help to define spacial anatomy and provide for recognition of abnormal vessels. Intracranially, the major arterial branches of the Circle of Willis are routinely visualized on MR and CT, as are the dural venous sinuses and major tributaries to the deep and superficial venous system. Using a combination of CT and MR images, we demonstrate the normal cross-sectional vascular anatomy of the head and neck and the important anatomic relationships key to accurate imaging analysis.
传统的计算机断层扫描（CT）和磁共振（MR）血管造影可提供出色的血管图像；然而，每位解读头颈部常规横断面成像的放射科医生都必须识别正常和异常的血管结构。了解血管的正常横断面表现有助于界定空间解剖结构，并有助于识别异常血管。在颅内， Willis 环的主要动脉分支在 MR 和 CT 上通常都能清晰显示，硬脑膜静脉窦以及深浅静脉系统的主要支流也是如此。我们结合使用 CT 和 MR 图像，展示了头颈部正常的横断面血管解剖结构以及准确成像分析的关键重要解剖关系。
