Nodular fasciitis and fibromatosis of the female breast simulating breast cancer. Case reports.

One case of nodular fasciitis and one of fibromatosis of the female breast are reported. These rare lesions simulated breast cancer clinically and mammographically. Histological diagnosis was obtained by excision of the lesions. A literature search in three large databases gave only 4 reported cases of nodular fasciitis of the female breast, fibromatosis was relatively more common in this location.