Non-ossifying fibromyxoid tumor
Non-ossifying fibromyxoid tumor
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.
Also known as nonossifying fibromyxoid neoplasm, nonossifying fibromyxoid tumor, nonossifying fibromyxoid tumour, nonossifying fibromyxoma — per MONDO