Paratesticular Sarcomatoid Mesothelioma

**Semantic type:** Neoplastic Process

**Definition:** A rare malignant mesothelioma arising from the tunica vaginalis. It is characterized by the presence of spindle cells. Anaplastic morphologic features and multinucleated malignant cells may also be seen.

**Synonyms:** - Testicular Sarcomatoid Mesothelioma - Tunica Vaginalis Sarcomatoid Mesothelioma