Nonossifying 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. Metaplastic bone formation is not present.

**Synonyms:** - Nonossifying Fibromyxoid Neoplasm - Nonossifying Fibromyxoma