Cyran K M, Kenney P J
Department of Radiology, University of Alabama at Birmingham 35233.
Abdom Imaging. 1994 Jul-Aug;19(4):335-8. doi: 10.1007/BF00198192.
Primary leiomyosarcomas of the retroperitoneum are rare tumors, the vast majority of which are malignant. Prognosis is largely dependent upon adequacy of surgical resection. Magnetic resonance imaging (MRI) is ideally suited to the evaluation of these neoplasms because of multiplanar imaging capability, inherent signal intensity differences of tissues, and flow-void, flow enhancement techniques to assess vessel patency. Recent advances which include fat suppression, suspended respiration sequences, and Gadolinium enhancement, have further improved image quality. Accurate pre-operative assessment of tumors is possible with MRI.
原发性腹膜后平滑肌肉瘤是罕见肿瘤，其中绝大多数是恶性的。预后很大程度上取决于手术切除的充分性。磁共振成像（MRI）非常适合评估这些肿瘤，因为它具有多平面成像能力、组织固有的信号强度差异以及用于评估血管通畅性的流空、血流增强技术。包括脂肪抑制、屏气序列和钆增强在内的最新进展进一步提高了图像质量。通过MRI可以对肿瘤进行准确的术前评估。
