Abstract
Inflammatory and infectious diseases of the temporal bone are a major indication to perform high-resolution CT and MR imaging studies. Such studies allow one to evaluate the extent of the disease in the soft tissues and in the bony structures of the temporal bone. On these same imaging studies the possible extension of the infection to surrounding regions is visualized. In this article a segmental approach is used, focusing on four structures in the temporal bone: the external ear, the otomastoid and petrous apex, the inner ear, and the facial nerve. For each of the four sections imaging findings are described and illustrated, and if relevant a differential diagnostic approach is highlighted.
MeSH terms
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Acute Disease
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Aged, 80 and over
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Bone Diseases, Infectious / diagnosis
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Bone Diseases, Infectious / diagnostic imaging*
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Bone Diseases, Infectious / pathology*
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Chronic Disease
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Diagnosis, Differential
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Ear / diagnostic imaging
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Ear / pathology
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Facial Nerve / diagnostic imaging
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Facial Nerve / pathology
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Facial Paralysis / diagnosis
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Facial Paralysis / diagnostic imaging
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Facial Paralysis / pathology
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Humans
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Labyrinthitis / diagnosis
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Labyrinthitis / diagnostic imaging
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Labyrinthitis / pathology
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Magnetic Resonance Imaging
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Osteitis / diagnosis
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Osteitis / diagnostic imaging*
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Osteitis / pathology*
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Otitis Externa / diagnosis
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Otitis Externa / diagnostic imaging
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Otitis Externa / pathology
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Otitis Media / diagnosis
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Otitis Media / diagnostic imaging
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Otitis Media / pathology
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Otitis Media with Effusion / diagnosis
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Otitis Media with Effusion / diagnostic imaging
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Otitis Media with Effusion / pathology
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Pneumococcal Infections / diagnosis
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Pneumococcal Infections / diagnostic imaging
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Pneumococcal Infections / pathology
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Temporal Bone / diagnostic imaging*
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Temporal Bone / pathology*
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Tomography, X-Ray Computed