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目的:探讨分析MRI在肝腺瘤诊断中的临床意义及其影像学特征。方法:对我院5例肝腺瘤患者的MRI影像学资料进行回顾性分析,总结肝腺瘤的MRI影像学特征,并对其误诊病例进行探讨。结果:5例肝腺瘤患者中,经MRI平扫及增强扫描确诊3例肝腺瘤,1例肝癌,1例局灶性增生结节;肝腺瘤MRI典型特点为平扫可见边界清楚的类圆形肿块、病灶周边有假包膜形成,T1WI呈低至稍高信号,T2W1以稍高混杂信号为主。增强扫描时动脉期可见病灶明显均匀强化,可持续到门脉期及延迟期。结论:MRI对肝腺瘤的诊断具有一定的特征性,有助于与其他肝内结节肿瘤的鉴别,具有良好的临床应用价值。
Objective: To investigate the clinical significance and imaging features of MRI in the diagnosis of hepatic adenoma. Methods: MRI data of 5 patients with hepatic adenoma in our hospital were analyzed retrospectively. MRI features of hepatic adenoma were summarized and the cases of misdiagnosis were discussed. Results: Among the 5 patients with hepatic adenoma, 3 cases of hepatic adenoma, 1 case of hepatocellular carcinoma and 1 case of focal hyperplastic nodules were confirmed by MRI plain scan and enhanced scan. The typical features of hepatic adenoma were clear visualization Class of round lumps, lesions around the formation of pseudocapsules, T1WI was as low as slightly higher signal, T2W1 to slightly higher mixed signal-based. Enhancement of the arterial phase showed enhanced lesions were significantly uniform, sustainable to the portal phase and delayed phase. Conclusion: The diagnosis of hepatic adenoma has a certain characteristic of MRI, which is helpful to distinguish it from other intrahepatic nodular tumors and has good clinical value.