A retrospective analysis of 433 cholesteatoma cases, surgically treated at the Gruppo Otologico, Piacenza, Italy, over a 7-year period, is reported. The purpose of this study was to delineate actual indications for individualizing open and closed procedures and to compare their results as regards residual or recurrent disease and hearing. The total incidences of residual and recurrent cholesteatoma in the open cavity procedures were 10% and 2.38%, respectively, while the closed procedures showed higher incidences of residual and recurrent cholesteatoma: 31.22% and 11.16%, respectively. The problem of a persistently discharging cavity was encountered in only 1 case of an open procedure, while 2 patients had persistent otorrhea among the closed cavity cases. The hearing results, although slightly better in the closed procedures, were not significantly different from those in the open procedures.
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