RESUMEN
Cholesteatoma defined as the epidermal inclusion cyst of the middle ear includes 36% of pathologies of the patients suffering from chronic otomastoid. Choosing an appropriate surgical technique to eradicate cholesteatoma seems to be necessary. To evaluate the results of surgical techniques for ear cholesteatoma. The study was carried out on 34 patients [Tabriz, 1998-2000]. Using symptoms, physical visit and schuller and town graphy before operation chalesteatoma was diagnosed. While during the operation, it was seen in 80% of the cases and there was no diagnosis in other cases [20%]. All the patients had ear stench secretion and guidance auditory reduction and the most prevalent clinical finding was ear polyp along with cholesteatoma [14 cases]. In 79.4% of the cases, tympanomastoidectomy canal wall down technique was suggested which regarding during- operation findings was applied. While in 5.8% the suggested technique was tympanomastoidectomy canal wall up and it was applied in 20.5% of the patients. The extent of disease can be diagnosed definitely during the surgical operation on the basis of which the appropriate technique is choosed