Fibrous Hamartoma of Infancy

**Semantic type:** Neoplastic Process

**Definition:** A poorly circumscribed neoplasm arising from the soft tissues in infants. It is characterized by the presence of bland fibroblastic spindle cells, collagenous stroma formation, primitive mesenchymal round cells, and mature fat cells. These components combined form a distinct organoid pattern.

**Synonyms:** - Fibrous Hamartoma - Infantile Fibrous Hamartoma