these lesions may be classified as mucoid ( synovial cyst and periungueal myxoma ) , collagenous ( desmoid tumor , desmoid fibroblastoma and fibromatosis colli ) , elastic ( elastofibroma dorsi ) , cellular ( fibroblastic : fibromatosis , fasciitis and myositis ;
C0334460
elastofibroma
C0016030
fibroblastic