The pinna and external auditory meatus are removed surgically mainly for the treatment of malignant neoplasms; the mastoid bone, the air cells, the malleus and the incus are usually removed for drainage of chronic suppurative otitis media while the stapes is removed for otosclerosis. Examination of this surgical material allows a study of only a few pathological processes. In order to study adequately the deeper part of the ear canal, the whole middle ear and the inner ear, it is necessary to deal with material taken at autopsy. For this purpose the whole temporal bone should be removed as one block.
KeywordsTemporal Bone Tympanic Membrane Eustachian Tube Basilar Membrane External Auditory Meatus
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