隐性乳癌临床少见 ,易误诊。现报告 2例误诊教训。1　病例报告例 1,女 ,48岁。因左腋下长包块2月于 1995年 8月 7日就诊。查体 :左腋下扪及 2ｃｍ× 2ｃｍ包块 ,无压痛 ,表面光滑 ,质中活动 ,双乳腺未扪及包块。诊断 :淋巴结炎。给予抗炎治疗一周 ,包块未缩小。局麻下切除包块 Recessive breast cancer is rare in clinical practice and is often misdiagnosed. Two cases of misdiagnosis are reported. 1 case report case 1, female, 48 years old. The patient was treated on the August 7th, 1995 due to a long left lower mass. Physical examination: left lower jaw and 2cm x 2cm mass, no tenderness, smooth surface, qualitative activity, double breast and palpable mass. Diagnosis: lymphadenitis. One week of anti-inflammatory treatment, the mass did not shrink. Resection of mass under local anesthesia