Results:94 cases of nonpuerperal mastitis were diagnosed correctly,17 cases were misdiagnosed as breast cancer,5 as fibroma and 4 as cyst.

• 结果:全组中确诊为非哺乳期乳腺炎94例；误诊为乳腺癌17例、乳腺纤维腺瘤5例、乳腺囊肿4例；误诊率21.；7%25。