Shetty Devi C*, Urs. Aadithya B**, Sikka Seema***
The fibromatosis are a group of lesions that can infiltrate widely, replacing muscle, fat and bone with fibrous tissue
of varying cellularity. They do not develop distant metastases, however, locally they show an aggressive and
infiltrative behaviour. The major challenge in the diagnosis lies in not over or under diagnose of fibrosarcoma and
an underdiagnosis of reactive fibrosis. But this histologic differentiation is necessary owing to different treatment
Keywords: Aggressive Fibromatosis, Fiborsarcoma.