Nodular fasciitis
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| Nodular fasciitis Classification and external resources |
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| ICD-10 | M72.4 |
|---|---|
| ICD-9 | 728.79 |
Nodular fasciitis is a benign lesion most commonly found in the superficial fascia, also known as pseudosarcomatous fasciitis. Most common in young persons on the upper extremities and trunk. Commonly mistaken for a sarcoma.
[edit] Etiology and Clinical Course
Similar to a dermatofibroma, it is believed to be a reparative process secondary to trauma, which is frequently not remembered. Evolves rapidly, but is usually less than 3cm in diameter. There is an extremely low incidence of recurrence after resection.
[edit] Histology
Histologically vast array of patterns.
Short S-shaped fascicles, inflammation, accelerated mitotic index with normal mitoses.
Essentially Spindle Cell Proliferation.
Stroma is rich in collagen and/or myxoid ground substance.
