Kompletní úprava sluchu u vestibulárního schwannomu s opakovanou náhlou ztrátou sluchu

English version

Autoři: M. Sameš; P. Vachata
Působiště autorů: Department of Neurosurgery, J. E. Purkinje University, Masaryk Hospital, Usti nad Labem, Czech Republic
Vyšlo v časopise: Cesk Slov Neurol N 2010; 73/106(3): 299-302
Kategorie: Krátké sdělení

Souhrn

Patofyziologická podstata a strategie léčby náhlé ztráty sluchu u pacientů s vestibulárním schwannomem není ještě zcela objasněna. Kompletní úprava a zachování sluchu jsou v těchto případech extrémně vzácné. Autoři prezentují případ s druhou atakou náhlé ztráty sluchu s tinitem a bez tendence ke spontánní úpravě. Akutní MR odhalilo intrakanalikulární vestibulární schwannom vlevo s 6mm extenzí do mostomozečkového úhlu. Sluch se upravil po podání kortikoidů. Měsíc po druhé atace byla provedena radikální resekce vestibulárního schwannomu se zachováním normálního sluchu. Na pravidelných ročních kontrolách je tři roky po výkonu sluch normální a MR bez rezidua nádoru. Tento případ podporuje fakt, že reverzibilní ataky náhlé ztráty sluchu u vestibulárního schwannomu nevylučují možnost kompletní úpravy a zachovaní sluchu.

Klíčová slova:
corticosteroids – sudden hearing loss – vestibular schwannoma

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