Magnetic Resonance Imaging / Humans / Chronic Disease / Headache / Male / Young Adult / Differential Diagnosis / Recurrence / Fever / Otitis Media / Cholesteatoma / Temporal Bone / X ray Computed Tomography / New England Journalof Medicine / Young Adult / Differential Diagnosis / Recurrence / Fever / Otitis Media / Cholesteatoma / Temporal Bone / X ray Computed Tomography / New England Journalof Medicine