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inflammation of a fascia.
necrotizing fasciitis a fulminating group A streptococcal infection beginning with severe or extensive cellulitis that spreads to involve the superficial and deep fascia, producing thrombosis of the subcutaneous vessels and gangrene of the underlying tissues. A cutaneous lesion usually serves as a portal of entry for the infection, but sometimes no such lesion is found.
nodular fasciitis (proliferative fasciitis) a benign, reactive proliferation of fibroblasts in the subcutaneous tissues and commonly associated with the deep fascia.
pseudosarcomatous fasciitis a benign soft tissue tumor occurring subcutaneously and sometimes arising from deep muscle and fascia.
a benign rapidly growing subcutaneous nodule characterized by proliferation of fibroblasts and basophilic giant cells slightly resembling ganglion cells.
nodular fasciitisA benign, rapidly growing reactive proliferation of fibroblasts in the deep dermis/subcutis on the arms, trunk, or neck of young adults (mean age 34), usually measuring < 3 cm.
Dermatofibroma, DFSP, other fasciitides (fibroma of tendon sheath, intravascular, parosteal), fibromatosis, fibrosarcoma, fibrous histiocytoma, inflammatory myofibroblastic tumour, leiomyosarcoma, myxoid tumours, spindle-cell sarcoma.