原发于乳腺的恶性淋巴瘤较罕见，我院收治1例，现报告如下。患者，女，20岁，于2月前被击伤右乳，伤后发现右乳肿块，在当地医院经抗炎治疗肿块不缩小，乃转来我院。查体时于右乳头．外上方构及直径约scm肿块，质硬，边界清楚，腋窝淋巴结未触及肿大。B超示右乳实性肿块，散在 Malignant lymphomas that are originally found in the breast are rare. One case was treated in our hospital. The report is as follows. The patient, female, was 20 years old and was injured in the right breast 2 months ago. After the injury, the right breast mass was found. In the local hospital, the tumor was not reduced by anti-inflammatory treatment but was transferred to our hospital. Check the body when the right nipple. The outer upper structure and the diameter of the sccm mass were hard, the boundary was clear, and the axillary lymph nodes did not touch swelling. B ultrasound shows right breast solid mass, scattered