Idiopathic hemotympanum with facial paralysis and inner ear damages is quite rare. A 45-year-old man presented with idiopathic hemotympanum with moderate hearing loss, equilibrium disorder and facial paralysis. CT findings revealed no fracture in his temporal bone. High-intensity areas on unenhaced T1 weighted MR images were observed at the middle ear, mastoid and a part of the vestibule. Blood coagulation studies showed normal prothrombin time and activated partial thromboplastin time. Any significant increase in the anti-Varicell-zoster virus IgG titer and anti-Herpes simplex virus IgG titer was not observed during first two weeks. After conservative treatments' of administration of corticosteroids and valaciclovir, his hearing and facial paralysis were recovered.
