[A case report of adenolipoma of the breast]

A rare case of breast adenolipoma is presented. A 49-year-old, otherwise healthy woman had a tumor of the left breast for approximately 25 years. Ultrasound mammography demonstrated a well-demarcated, high echoic mass with islands of a low echoic area in the center of the tumor. The well-defined, oval, soft tumor, measuring 7 x 5 x 3.5 cm in size, was surrounded by a thin capsule which was removed, and its yellow cut surface was found to be mottled by greyish-white areas. Microscopically, the tumor was diagnosed as a breast adenolipoma consisting of fatty tissue interspersed with islands of glandular tissue. The findings of ultrasound examination on adenolipoma of the breast are described and its histogenesis was discussed.