Pericardial Solitary Fibrous Tumor

**Semantic type:** Neoplastic Process

**Definition:** A localized neoplasm of probable fibroblastic derivation, that arises from the pericardium. It is characterized by the presence of round to spindle-shaped cells, hylanized stroma formation, thin-walled branching blood vessels, and thin bands of collagen.

**Synonyms:** - Benign Pericardial Mesothelial Neoplasm - Pericardial Benign Mesothelioma - Pericardial Fibroma - Pericardial Fibrous Mesothelioma - Pericardial Submesothelial Fibroma