Ossifying Fibromyxoid Tumor

**Semantic type:** Neoplastic Process

**Definition:** A rare soft tissue tumor of uncertain lineage characterized by the presence of neoplastic spindle to round cells forming cords in a fibromyxoid stroma. The lesions are associated with the formation of metaplastic bone. Most patients present with painless subcutaneous masses. Recurrences have been reported in a minority of patients.

**Synonyms:** - OFMT - Ossifying Fibromyxoid Neoplasm - Ossifying Fibromyxoma - Ossifying fibromyxoid tumor