Olfactory groove meningiomas – surgical treatment, surgical risks and sense of smell preservation

Authors: M. Dedeciusová 1;  M. Májovský 1;  P. Fundová 2;  V. Beneš 1;  D. Netuka 1
Authors‘ workplace: Neurochirurgická a neuroonkologická klinika 1. LF UK a ÚVN Praha 1;  Klinika otorhinolaryngologie a maxilofaciální chirurgie 3. LF UK a ÚVN Praha 2
Published in: Cesk Slov Neurol N 2018; 81(1): 11-16
Category: Review Article
doi: 10.14735/amcsnn201811


This review summarizes dysfunction of olfaction in patients with olfactory groove meningiomas (OGM). Clinical examination, including pre-operative and post-operative assessment of olfaction, is indispensable for the evaluation of the surgical outcome in patients with OGM. Review of a recent series of OGM documents showed a lack of the olfaction assessment in most of the studies. Psychophysical tests determining olfactory detection, discrimination and identification (e. g. University of Pennsylvania Smell Identification Test [UPSIT], The Single Staircase Odor Detection Threshold Test, Siffin’ Sticks Test) should be used to reveal olfactory dysfunction. Specialized examination techniques such as electro-olfactogram, olfactory evoked potentials and functional magnetic resonance imaging are being used in research. Standard treatment of OGM is a surgical resection. Controversy exists among the authors regarding the selection of a convenient surgical approach. Commonly, the uni-frontal and pterional approaches are being performed. Endoscopic resection, olfactory groove meningiomas, represents an alternative approach yet its indications are still limited. Postoperative olfaction preservation remains a difficult task even today.

Key words:
olfactory groove meningioma – skull base – olfaction – olfactory nerve

The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study.

The Editorial Board declares that the manu­script met the ICMJE “uniform requirements” for biomedical papers.


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