Inflammatory Myofibroblastic Tumor of the Parotid Gland: A Rare Case Report

Inflammatory Myofibroblastic Tumor (IMT) is an uncommon benign neoplasm with unknown etiology that rarely affect parotid gland. Clinical and pathologic diagnosis of this neoplasm is difficult and is occasionally misdiagnosed as malignant. This reports presents the case of a 42 year old woman with IMT in the right parotid gland. Using fine needle aspiration cytology, pleomorphic adenoma and mucoepidermoid carcinoma were suggested as differential diagnosis and right parotidectomy was performed. Histopathologic examination along with immunohistochemical analysis confirmed an IMT. During microscopic examination of parotid mass, especially in presence of myxoid background along with inflammatory cells infiltration, inflammatory myofibroblastic tumor should also be considered.