Objective To compare the sonographic and pathologic features of nonpuerperal mastisis. Methods A retrospective study was performed to compare the sonographic features with surgery and pathologic diagnosis in 42 patients with nonpuerperal mastisis. Results Of 42 cases diagnosed by sonographic findings, 5 cases(11. 9%) were type Ⅰ (cystic mass), 14 cases(33. 3%) were type Ⅱ (cystosolid mass within or around the duct) ,5 casesdl. 9%) were type Ⅲ (hyperechoic and heterogeneous echoes mass round by hypoechoic band), 18 cases(45.19%) were type Ⅳ(pussy echoes of partial or complete liquefaction, with fistula partly). The accordance rate of sonographic mastitis masses diagnosis with pathologic diagnosis was 78. 6%. Eleven cases with granulomatous mastitis pathologically were diagnosed as type Ⅳ on sonographm, 5 cases with fibrocystic disease were diagnosed as type Ⅰ , and 26 cases with ductal ectasy were diagnosed as type D , HI or IV. Conclusion The sonographic features of nonpuerperal mastisis are varied and easily misdiagnosed only by sonographic features : especially in those with chronic nonpuerperal mastisis. The accuracy diagnosis rate for nonpuerperal mastisis can be improved when sonographic findings are combined with clinic history and physical signs.%目的 比较非哺乳期乳腺炎(NLM)的超声和病理表现.方法 回顾性分析42例非哺乳期乳腺炎患者的超声表现,并与手术和病理检查结果进行对照.结果 NLM声像图表现为Ⅰ型(囊性肿块型)者5例(11.9％),Ⅱ型(与导管关系密切的囊、实性团块回声)者14例(33.3％),Ⅲ型(周边有弱回声带的稍高或不均匀回声包块)5例(11.9％),Ⅳ型(部分或者完全液化的脓肿样回声,部分伴有瘘管形成)者18例(45.19％).超声诊断炎性包块与病理诊断的符合率为78.6％.病理结果肉芽肿性乳腺炎11例,超声表现为Ⅳ型；纤维囊性乳腺病、导管扩张伴炎症5例,超声表现为Ⅰ型；导管扩张症(浆细胞性乳腺炎)26例,超声表现为Ⅱ型或Ⅲ型、Ⅳ型.结论 非哺乳期乳腺炎超声表现不一,仅靠超声图像容易误诊；结合临床病史、体征能提高诊断准确率；急性、亚急性者较容易诊断,慢性者较难诊断.
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