Revue de laryngologie - otologie - rhinologie · 2003
Delayed labyrinthine fistula in canal wall down mastoidectomy.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Portmann D, Rezende Ferreira D
Аннотация
PURPOSE OF THE STUDY: This article is a retrospective review of 5 cases of delayed labyrinthine fistula in patients with a longstanding canal wall down mastoidectomy.
MATERIAL: All patients had a long-term postoperative follow up with no evidence of complications till they suddenly started to have vertigo. The symptoms were caused by a bony erosion of the lateral semicircular canal detected on physical examination or by a CT-scan. There was no evidence of a recurrent cholesteatoma.
RESULTS: The patients underwent surgery in order to close the fistula, with a good result. In all cases, a factor such as an infection or trauma, seems to have triggered off the bone erosion.
CONCLUSION: Late complications may occur in the canal wall down mastoidectomy technique, after a long period of follow up in the absence of recurrent cholesteatoma. For this reason, it is advisable to look for a labyrinthine fistula in patient who develop vertigo a long time following mastoid surgery with a resultant radical cavity.
MATERIAL: All patients had a long-term postoperative follow up with no evidence of complications till they suddenly started to have vertigo. The symptoms were caused by a bony erosion of the lateral semicircular canal detected on physical examination or by a CT-scan. There was no evidence of a recurrent cholesteatoma.
RESULTS: The patients underwent surgery in order to close the fistula, with a good result. In all cases, a factor such as an infection or trauma, seems to have triggered off the bone erosion.
CONCLUSION: Late complications may occur in the canal wall down mastoidectomy technique, after a long period of follow up in the absence of recurrent cholesteatoma. For this reason, it is advisable to look for a labyrinthine fistula in patient who develop vertigo a long time following mastoid surgery with a resultant radical cavity.