目的:探讨门静脉海绵样变性的临床特点与诊治方法。方法:对2例门静脉海绵样变性患者经彩色多谱勒超声检查确诊。结果:2例患者经内科保守及手术治疗效果较好。结论:门静脉海绵样变性根据病因分为原发性和继发性,临床表现以继发性门静脉高压为主,彩色多谱勒超声检查可确诊大多数病例。 Objective: To investigate the clinical features and diagnosis and treatment of cavernous degeneration of portal vein. Methods: Two cases of cavernous degeneration of portal vein were diagnosed by color Doppler sonography. Results: Two patients were treated by conservative and surgical treatment better. Conclusions: The cavernous degeneration of the portal vein is divided into primary and secondary according to the etiology. The main clinical manifestations are secondary portal hypertension. The majority of cases can be diagnosed by color Doppler ultrasonography.