腹部和盆腔胃肠道间质瘤的磁共振成像
Magnetic resonance imaging of gastrointestinal stromal tumor in the abdomen and pelvis.
作者信息
Amano Maki, Okuda Takeshi, Amano Yasuo, Tajiri Takashi, Kumazaki Tatsuo
机构信息
Department of Radiology, Nippon Medical School, Tokyo 113-8603, Japan; Center for Advanced Medical Technology, Nippon Medical School, Tokyo 113-8603, Japan.
出版信息
Clin Imaging. 2006 Mar-Apr;30(2):127-31. doi: 10.1016/j.clinimag.2005.09.025.
This study aimed to evaluate magnetic resonance (MR) imaging appearances of 11 gastrointestinal stromal tumors in the abdomen and pelvis and compared them with some histological findings. Gastrointestinal stromal tumor showed nonhomogeneous signal intensity and included hemorrhage in large tumors. Gastrointestinal stromal tumors showed a wide variety of enhancement, and contrast enhancement of the tumor was consistent with mitosis index as well as the largest diameter of the tumor. Contrast-enhanced MR imaging may be useful in the assessment of tumor activity.
本研究旨在评估11例腹部和盆腔胃肠道间质瘤的磁共振（MR）成像表现，并将其与一些组织学结果进行比较。胃肠道间质瘤表现为信号强度不均匀，大肿瘤内可见出血。胃肠道间质瘤表现出多种强化方式，肿瘤的对比增强与有丝分裂指数以及肿瘤最大直径一致。对比增强MR成像可能有助于评估肿瘤活性。
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