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Viele Patienten mit neurodegenerativen Erkrankungen weisen als Begleitsymptom eine Riechstörung auf. In der vorliegenden Übersicht wird die olfaktorische Funktion bei den einzelnen neurodegenerativen Krankheitsbildern beschrieben und die diagnostische Bedeutung der Riechtestung beim idiopathischen Parkinson-Syndrom und der Alzheimer-Demenz erläutert.
Impairment of olfaction is a characteristic feature of many neurodegenerative diseases. This review summarizes the available information about olfactory function in distinct neurodegenerative conditions and indicates the advantageous use of olfactory testing in the diagnosis of Parkinson’s disease and Alzheimer’s dementia.