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1.
Headache ; 60(10): 2544-2547, 2020 Nov.
Article in English | MEDLINE | ID: mdl-33205440

ABSTRACT

OBJECTIVES: To report the case of a patient enduring migraine attacks preceded by hallucinatory olfactory symptoms, with characteristics which typically define migraine with aura (MWA). BACKGROUND: MWA accounts for about 30-40% of the total cases of migraine and is almost always preceded by visual disorders; and in rare cases migraine attacks are preceded by olfactory hallucinations which have not been so far recognized as a type of aura. RESULTS: We describe a 51-year-old male whose migraine attacks are preceded, unusually for migraine sufferers, only by olfactory hallucinations; in 10% of the attacks, the olfactory symptoms are not followed by any pain but always appear with the same characteristics. These hallucinations began with the onset of a history of cephalea. CONCLUSION: This case suggests that olfactory hallucinations should be considered as actual pre-migraine symptoms, like visual symptoms or other disorders, and added to the criteria for the diagnosis of MWA.


Subject(s)
Hallucinations/physiopathology , Migraine with Aura/physiopathology , Olfaction Disorders/physiopathology , Hallucinations/etiology , Humans , Male , Middle Aged , Migraine with Aura/complications , Olfaction Disorders/etiology
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