TyrnpanoplastikにおけるMastoid術創の観察

概要

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Two hundred and four of the postoperative nths to 10 years aftet operation were obserbed. The result were as follows : 1) Difficulty of postoperativ epithelisation of brane perfonation seen in 29 cases, and 62 cases (30.4%) in total. 2) Difficulty of postoperative epithelisation of mastoid cavity in the large mastoid cavity was seen in 28 cases (49.1%) of 57 cases. In the middle large cavity this was seen in 28 cases (27%) of 96 cases and in the small cavity 6 cases (11.7%) of 51 cases. cavity would apted difficulty of postoperative epit. helisption of mastoid cavity. mastoid cavity in the large external auditory canal was seen in 21.7%, and 34.7% in the small Canals. Largeness of the external auditory canal was shoon to influence the dryness of postoperatoid cavity. 4) There was no relation between difficulty of postoperative epithelisation of mastoid cavity and cultivated bacillus. 5) The fungus was detected in 26 cases from the postopestoperative mastoid cavity and external auditory canal, but there was no significance as to toid cavity. Saprophtes was mainly foud.