摘要
目的：探讨多层螺旋CT对胃肠道间质瘤（GIST）的诊断价值。方法：回顾性分析13例经手术病理及免疫组化证实的GIST患者的临床资料和多层螺旋CT表现。结果：4例起源于胃，5例起源于小肠，2例起源于直肠，1例起源于小网膜，1例起源于小肠系膜。13例均表现为软组织肿块，直径4～12cm。11例肿块位于腔外，2例腔内外均有肿块。4例肿块内部密度均匀，9例肿块密度不均匀，增强扫描肿块以环状强化、斑片状不均匀强化为主。2例肿块血供异常丰富，可以见到粗大迂曲的肿瘤血管。肠系膜血管被包埋1例，肠系膜血管受压移位2例，未见血管破坏中断现象。脾脏受侵1例，小网膜囊受侵1例，肝转移1例，网膜转移1例，合并腹水2例。结论：多层螺旋CT对GIST的定位、定性诊断具有重要价值，对指导临床治疗和评价预后很有帮助。
Objective： To investigate the diagnostic value of multisliee spiral CT in gastrointestinal stromal tumor （GIST）. Methods： Clinical data and CT findings of 13 cases with pathologically and immunohistochemically confirmed GIST were analyzed retrospectively. Results：Lesions originated from stomach in 4 cases, small intestine in 5 cases, rectum in 2 cases, lesser omentum in 1 case, mesostenium in 1 case. All lesions （ n=13） showed soft tissue masses with a diameter from 4 cm～12cm. Masses of llcases located outside of lumen, while 2 cases showed soft tissue masses both inside and outside of lumen. Four ca ses appeared homogeneous masses, 9 cases appeared heterogeneous masses. Most masses appeared circular, macular or lamellar enhancement. Masses of 2 cases were found with rich abnormal blood supply and thick, winding tumor vessels. Blood vessel of mesentery was embedded in 1 case, compressed and moved in 2 cases. No angiolysis and discontinuation was found. Local invasion was found in spleen in 1 case, omental sac in 1 case. Metastatic lesions were found in liver in 1 case and in omenta in lcase. Two cases complicated with ascites. Conclusion： MSCT is of great value in GIST localization and qualitative diagnosis, and is helpful in guiding clinical treatment and evaluation of prognosis.
出处
《中国中西医结合影像学杂志》
2009年第1期17-19,23,共4页
Chinese Imaging Journal of Integrated Traditional and Western Medicine
