Conclusion Ultrasound is helpful to the diagnosis of plasma cell mastitis, and it is needed to differentiate plasma cell mastitis from breast carcinoma and breast cystic hyperplasia.

• 结论超声检查对浆细胞性乳腺炎的诊断价值较大，但需与乳癌、乳腺囊性增生等疾病鉴别。