<unk>  is a condition affecting infants during the first 3 years of life. It is usually confined to the muscles of the arms, neck, and shoulder area. There is a multicentric infiltration of muscle fibers with fibroblasts resembling those seen in aponeurotic fibromas.
Diffuse infantile fibromatosis
Aggressive infantile fibromatosis
Juvenile hyaline fibromatosis
Aggressive fibromatosis
Cellular angiofibroma
Acral fibrokeratoma
Superficial acral fibromyxoma
Metachondromatosis