Bladder Inflammatory Myofibroblastic Tumor

**Semantic type:** Neoplastic Process

**Definition:** An intermediate fibroblastic neoplasm that arises from the bladder and is characterized by the presence of spindle-shaped fibroblasts and myofibroblasts, and a chronic inflammatory infiltrate composed of eosinophils, lymphocytes, and plasma cells.

**Synonyms:** - Bladder Inflammatory Myofibroblastic Neoplasm - Inflammatory Myofibroblastic Neoplasm of Bladder - Inflammatory Myofibroblastic Neoplasm of Urinary Bladder - Inflammatory Myofibroblastic Neoplasm of the Bladder - Inflammatory Myofibroblastic Neoplasm of the Urinary Bladder - Inflammatory Myofibroblastic Tumor of Bladder - Inflammatory Myofibroblastic Tumor of Urinary Bladder - Inflammatory Myofibroblastic Tumor of the Bladder - Inflammatory Myofibroblastic Tumor of the Urinary Bladder - Urinary Bladder Inflammatory Myofibroblastic Neoplasm - Urinary Bladder Inflammatory Myofibroblastic Tumor