Ossifying fibromyxoid tumor

Ossifying fibromyxoid tumor (OFMT) is a soft tissue tumor of uncertain lineage.


It typically manifests in adults. There may be a slight increased male predilection.

Clinical presentation

The clinical presentation can vary depending on location but usually tends to manifest as a slowly growing painless mass.


Its exact etiology is not very clear but a schwannian or chondroid origin has sometimes been favored. It comprises of small round cells dispersed in a myxoid matrix and can contain bone, osteoid, and collagen elements.


It is reported to most often arise in the subcutaneous extremities.

Other reported locations include

Treatment and prognosis

It is generally considered benign although recurrence following the resection can be common. Complete local resection is considered the best treatment in many cases.

See also

  • soft tissue tumors (classification) - WHO 2002
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