转移性胃肠道间质瘤的影像学特征。
Radiological features of metastatic gastrointestinal stromal tumors.
作者信息
Patnaik Sujata, Jyotsnarani Yarlagadda, Rammurti Susarla
机构信息
Department of Radiology, Nizam's Institute of Medical Sciences, Hyderabad, Andhra Pradesh, India.
出版信息
J Clin Imaging Sci. 2012;2:43. doi: 10.4103/2156-7514.99177. Epub 2012 Jul 28.
Abstract
The imaging features of 42 histopathologically confirmed cases of Gastrointestinal Stromal Tumors (GIST) were analyzed, to observe the pattern of metastasis. At presentation 22 of 42 patients (52.3%) showed metastasis. During follow-up, three more cases developed metastasis, within one year of resection. Mesentery, omentum, and liver were the most frequent sites for metastasis. Other sites that were rarely reported to be involved were increasingly recognized to show metastasis due to longer survival. The metastasis often showed attenuation and enhancement characteristics, similar to primary GIST, and frequently showed necrosis, hemorrhage, and calcification.
摘要
分析了42例经组织病理学确诊的胃肠道间质瘤（GIST）的影像学特征，以观察转移模式。初诊时，42例患者中有22例（52.3%）出现转移。随访期间，又有3例在切除术后1年内发生转移。肠系膜、大网膜和肝脏是最常见的转移部位。其他很少报道受累的部位由于生存期延长而越来越多地被发现有转移。转移灶通常表现出与原发性GIST相似的衰减和强化特征，且常伴有坏死、出血和钙化。
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