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1958•Nippon Jibiinkoka Gakkai KaihoOpen access

STUDY ON THE AUDIOGRAMS BEFORE AND AFTER RADICAL MASTOID OPERATION

Takayuki Matsuoka

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Abstract

Clinical observation was made on 112 cases, of radical mastoid operation. The air and bone conduction audiometry was done before and after the operation, and the following results were obtained. 1. The air conduction audiograms were divided into eight different typs, as shown in Fig. 1. 2. The bone conduction audiograms were divided into thirteen different typs, as shown in Fig. 2.

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Clinical observation was made on 112 cases, of radical mastoid operation. The air and bone conduction audiometry was done before and after the operation, and the following results were obtained. 1. The air conduction audiograms were divided into eight different typs, as shown in Fig. 1. 2. The bone conduction audiograms were divided into thirteen different typs, as shown in Fig. 2.

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Available abstract

Clinical observation was made on 112 cases, of radical mastoid operation. The air and bone conduction audiometry was done before and after the operation, and the following results were obtained. 1. The air conduction audiograms were divided into eight different typs, as shown in Fig. 1. 2. The bone conduction audiograms were divided into thirteen different typs, as shown in Fig. 2.

Key concepts: Audiogram, Bone conduction, Audiometry, Medicine, Audiology, Hearing loss

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