Plantar fibromatosis

definition

· fibrous proliferative lesion in plantar fascia

epidemiology

· may arise in isolation

· may be associated with Dupuytren’s diathesis

pathology

· proliferative fibroblastic lesion

· may resemble fibrosarcoma

· may recur after excision

· do not metastasise or become locally destructive

clinical features

· present with painful lump in foot

· tender subcutaneous nodule found in medial half of middle of plantar fascia

· rarely causes contracture

treatment

· block resection of plantar fascia to prevent recurrence

· S-shaped incision to minimise disruption of blood supply

· block of fascia excised including

· lesion

· 2 cm normal fascia proximal and distal