Attic exposure-antrum exclusion as an on demand surgical tecnhique for cholesteatoma
Magazine: Acta Otorrinolaringologica Española
Date: Oct 12, 2012Otorhinolaryngology
INTRODUCTION AND OBJECTIVE
Attic exposure and antrum exclusion (AE-AE) is an on demand surgical technique for the treatment of cholesteatoma. Several techniques have been described with variable recurrence rates. The aim of the study was to describe this surgical technique and its indications and to analyse long-term outcomes.
MATERIALS AND METHODS
Forty-two patients were included. They received AE-AE in a tertiary centre and were followed-up from 6 months to 7 years. The surgical technique exposes the attic by drilling the superior wall of the external auditory canal and excludes the antrum and the mastoid cells by closing the aditus with a cartilage graft. It is indicated if the lesion does not go beyond the aditus or, if it does, it is a delimited cholesteatoma not damaging the labyrinth. The patients were followed-up by physical examination and radiology (CT scan and Non-EPI diffusion-weighted MRI since 2009).
The recurrence rate of the cholesteatoma was 4.8%. At recurrence, an open canal-wall-down mastoidectomy technique was performed. The rate of otorrhea (2/42 cases), serous otitis (2/42) and other complications was low, so aquatic activities were not contraindicated. The AE-AE did not modify ossicular chain reconstruction with respect to the rest of surgical techniques.
AE-AE is a canal-wall-down technique. Its purpose is to remove the lesion and to reduce the recurrence of cholesteatoma. In addition, it allows the entrance of water and reduces the need for 2(nd) look surgery. Non-EPI diffusion-weighted MRI is a reliable technique for follow-up, especially for the excluded mastoid.
CITATION Acta Otorrinolaringol Esp. 2012 Oct 12. pii: S0001-6519(12)00174-4. doi: 10.1016/j.otorri.2012.06.009
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