Calcifying Aponeurotic Fibroma

**Semantic type:** Neoplastic Process

**Definition:** A rare slow-growing benign neoplasm arising from the soft tissues in children. It is a poorly circumscribed tumor characterized by the presence of chondrocyte-like cells, nodular calcification, nuclear palisading, and in some cases osteoclastic giant cells.

**Synonyms:** - Aponeurotic Fibroma - CAF - Juvenile Aponeurotic Fibrosis