Cognitive Changes in a Commercial Pilot Secondary to an Olfactory Meningioma.

BACKGROUND: Olfactory meningiomas are typically benign, slow-growing intracranial tumors with subtle presentations that result in delayed diagnosis. To date, only a few published reports describe meningiomas in airmen. None specifically mention olfactory meningiomas or detail the associated presence of cognitive impairment.CASE REPORT: This was a 55-yr-old commercial pilot with over 20 yr of flight experience who presented for a fitness-for-duty evaluation due to alarming performance at work and neurocognitive concerns. On examination, the patient had an odd affect and anosmia. Imaging showed a large, frontal, midline intracranial mass consistent with an olfactory meningioma.DISCUSSION: Fitness-for-duty cases are often challenging and even more so when neurocognition is called into question. Symptoms may be subtle and gradual in onset, making recognition and diagnosis difficult. Dementia, alcohol or substance misuse/abuse, and psychiatric diagnoses are often the first conditions considered when evaluating new cognitive impairment in a pilot. This case highlights the importance of keeping a broad differential, including intracranial masses, conducting a thorough neurological examination, and the judicious use of brain imaging.Hong M, Kreykes AJ. Cognitive changes in a commercial pilot secondary to an olfactory meningioma. Aerosp Med Hum Perform. 2020; 91(12):966969.

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