乳腺海绵状血管瘤是一种少见的乳腺良性肿瘤。我院发现1例,经手术及病理证实。1　病历简介患者,女,40岁。发现左乳肿块半年,明显增大十余日。半年前无意中发现左乳上半部有一20ｃｍ×20ｃｍ×20ｃｍ之包块,无任何不适,未行任何治疗。近十几日来整个乳房明显增大,该包块亦明显增 Cavernous hemangioma is a rare breast benign tumor. 1 case was found in our hospital, confirmed by surgery and pathology. A medical history Patients, female, 40 years old. Left breast lumps found six months, significantly increased more than ten days. Six months ago inadvertently found in the upper half of the left breast with a 20cm × 20cm × 20cm mass, without any discomfort, without any treatment. The past ten days, the entire breast increased significantly, the mass also significantly increased