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Войти в исследования Annales d'oto-laryngologie et de chirurgie cervico faciale : bulletin de la Societe d'oto-laryngologie des hopitaux de Paris · 2002
[Attical fixation of the malleus head associated with obstruction of the round window niche by a high jugular bulb].
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Tringali S, Bertholon P, Martin C
Аннотация
OBJECTIVE: To report the case of a 52 year-old-woman presenting with a left mixed hearing loss. Surgical exploration revealed an attical fixation of the malleus head associated with obliteration of the round window by a high jugular bulb.
METHOD: Surgical exploration revealed this rare association. Attical fixation of the malleus head was treated by a partial prosthesis. The mobility of the chain was normal at the end of the surgical exploration but it was not possible to search for the round window sign because the niche of the round window was obliterated by an high Jugular bulb.
RESULTS: Audiogram was unchanged even if CT-scan confirm the good position of the partial prosthesis.
CONCLUSION: Surgical treatment of an attical fixation of the malleus head do not seem to be necessary if it is associated with a simultaneous obliteration of the round window. Indeed, obstruction of the round window by a high Jugular bulb can caused a conductive hearing loss.
METHOD: Surgical exploration revealed this rare association. Attical fixation of the malleus head was treated by a partial prosthesis. The mobility of the chain was normal at the end of the surgical exploration but it was not possible to search for the round window sign because the niche of the round window was obliterated by an high Jugular bulb.
RESULTS: Audiogram was unchanged even if CT-scan confirm the good position of the partial prosthesis.
CONCLUSION: Surgical treatment of an attical fixation of the malleus head do not seem to be necessary if it is associated with a simultaneous obliteration of the round window. Indeed, obstruction of the round window by a high Jugular bulb can caused a conductive hearing loss.