bladder inflammatory myofibroblastic tumor (MONDO_0006112) is a multinodular intermediate fibroblastic neoplasm arising from the bladder. It is characterized by the presence of spindle-shaped fibroblasts and myofibroblasts, and a chronic inflammatory infiltrate composed of eosinophils, lymphocytes and plasma cells. Also known as: bladder inflammatory myofibroblastic neoplasm, inflammatory myofibroblastic neoplasm of bladder, inflammatory myofibroblastic neoplasm of the bladder, inflammatory myofibroblastic neoplasm of the urinary bladder, inflammatory myofibroblastic neoplasm of urinary bladder, inflammatory myofibroblastic tumor of bladder, inflammatory myofibroblastic tumor of the bladder, inflammatory myofibroblastic tumor of the urinary bladder.