Nodular fasciitis is a benign, reactive proliferation of fibroblasts in the subcutaneous tissues and commonly associated with the deep fascia. It is also known as subcutaneous pseudosarcomatous fibromatosis, or proliferative fasciitis.

A nodule is a palpable, solid lesion, 5 or 10 mm in diameter, that may or may not be elevated. Larger nodules (more than 20 mm) are classified as tumors.

Nodular fasciitis is a benign proliferation of fibroblasts and myofibroblasts in the subcutaneous tissues. The...