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CT与HRI在诊断直肠间质瘤的临床价值分析 预览 被引量:3

Analysis of the Clinical Value of CT and MRI in the Diagnosis of Rectal Gastrointestinal Stromal Tumors
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摘要 目的分析电子计算机断层扫描(CT)与磁共振成像(MRI)在诊断直肠间质瘤中的临床价值。方法回顾性分析我院2011年9月至2014年9月经病理证实为直肠间质瘤的24例患者的CT和MRI表现,以病理检查结果为准,比较CT和MRI两种诊断方式对直肠间质瘤的诊断情况,比较两种诊断方式的准确度、敏感度和特异度。结果CT诊断肿瘤形态不规则、肿瘤坏死或囊变、肿瘤边缘不清晰、有向远处脏器转移现象的概率分别为58.33%、37.5%、62.5%、25%,MRI诊断肿瘤形态不规则、肿瘤坏死或囊变、肿瘤边缘不清晰、有向远处脏器转移现象的概率分别为66.67%、54.17%、5O%、29.17%;MRI检查的准确度为91.67%较CT 66.67%显著较高(P〈0.05)。结论CT与MRI诊断直肠间质瘤的影像表现有一定特征,MRI对病灶成分的检出率及病灶浸润范围的检出率高于CT,CT与MRI检查能帮助选择合适的治疗方案。 Objective To analyze the clinical value of computerized tomography (CT) and magnetic resonance imaging (MRI) in the diagnosis of rectal gastrointestinal stromal tumors. Methods The findings of CT and MRI of 24 patients with rectal gastrointestinal stromal tumors which was confirmed by pathology in our hospital during September 2011 to September 2014 were retrospectively analyzed. With the results of pathological examination as the standard, the accuracy, sensitivity and specificity of the two modes in the diagnosis of rectal gastrointestinal stromal tumors were compared. Results The probabilities of CT in the diagnosis of irregular tumors, tumor necrosis or cystic change, blurring tumor boundaries and metastasis to distant organs respectively were 58.33%, 37.5%, 62.5% and 25% while the probabilities of MRI diagnosis were 66.67%, 54.17%, 50% and 29.17% respectively. The accuracy of MRI was significantly higher than CT (91.67% vs 66.67%) (P〈0.05). Conclusion, The imaging findings of CT and MRI in the diagnosis of rectal gastrointestinal stromal minors are different to certain degree. The detection rates of MRI to the compositions of lesions and the range of infiltration are higher than CT. CT and MRI exanfination can help to choose appropriate regimen.
作者 陈义忠 CHEN Yi-zhong.( Department of Radiology, People's Hospital of Dayi District, Chengdu 611330, Sichuan Province, China)
出处 《中国CT和MRI杂志》 2017年第3期112-114,共3页
关键词 CT MRI 直肠间质瘤 CT MRI Rectal Gastrointestinal Stromal Tumors
作者简介 通讯作者:陈义忠
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