We reported a 24-year-old female who developed a huge metaplastic ossification without neoplasm in her right breast.

• 本院在1991年经历一例24岁年轻女性，在其佑侧乳房内侧发现一粒6*5*4公分的变生骨化肿块，经手术切除肿块，追踪参年，暂无复发迹象。