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目的探讨脾脏硬化性血管瘤样结节性转化(SANT)的术前超声特征,提高术前诊断能力。方法回顾性分析5例患者经手术病理证实的SANT的临床及影像检查资料。结果超声表现:4例单发肿块,1例呈弥漫性,单发肿块中边界不清3例,边界清晰1例,等回声肿块2例,低回声肿块2例,1例肿块内散在钙化灶;多普勒彩色血流图显示肿块周边均见点状及条状血流信号。结论 SANT是脾脏的一种良性病变,临床表现无特异度,术前主要靠影像学检查发现,超声检查有一定的特征性表现,病理表现有特征性,脾脏切除可治愈。
Objective To investigate the preoperative ultrasonographic features of splenic sclerosing hemangioma-like nodular transformation (SANT) and to improve the ability of preoperative diagnosis. Methods A retrospective analysis of 5 patients with pathologically confirmed SANT clinical and imaging data. Results Ultrasound showed: single solitary mass in 4 cases, diffuse mass in 1 case, unclear border in single solitary mass, clear border in 1 case, equal echogenic mass in 2 cases, hypoechoic mass in 2 cases, and intraluminal calcification in 1 mass ; Doppler color flow map shows the tumor around the punctate and strip-like blood flow signal. Conclusions SANT is a benign lesion of spleen. The clinical manifestations are nonspecific. Preoperative imaging is mainly based on the imaging findings. Ultrasonography has some characteristic features. Pathological findings are characteristic and the splenectomy can be cured.