[Imaging and traumatic, inflammatory and neoplastic pathologies of the external and middle ear]

CT and MR imaging have a growing place in the assessment of pathologic ear. Nowadays, Ultra-high resolution CT scan is the method of choice to detect traumatic, tumoral or inflammatory lesions. MR imaging is frequently proceed in second place after CT evaluation. MR remains essential to evaluate the extension of malignant tumor of the temporal bone in particular to the fatty tissues or cerebral parenchyma. Our aim is to present the radiologic semeiology of external and middle ear pathologies, precising for each one the role of CT and MR imaging.