Two cases of SMA syndrome after neurosurgical injury to the frontal aslant tract

Two cases of SMA syndrome after neurosurgical injury to the frontal aslant tract

Supplementary motor area (SMA) syndrome is characterised by transient disturbance in volitional movement and speech production which classically occurs after injury to the medial premotor area. We present two cases of SMA syndrome following isolated surgical injury to the frontal aslant tract (FAT)...

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Bibliographic Details
Published in:Acta neurochirurgica Vol. 165; no. 9; pp. 2473 - 2478
Main Authors: Agyemang, Kevin, Rose, Anna, Sheikh, Mustafa El, Asha, Mutiu, Molinari, Emanuela, Fullerton, Natasha E., Brennan, David, Grivas, Athanasios
Format: Journal Article
Language:English
Published: Vienna Springer Vienna 01-09-2023
Springer Nature B.V
Subjects:
Aphasia
Brain cancer
Brain tumors
Case Report - Brain Tumors
Functional magnetic resonance imaging
Hemodynamics
Histopathology
Interventional Radiology
Language
Magnetic resonance imaging
Medicine
Medicine & Public Health
Minimally Invasive Surgery
Neurology
Neuroradiology
Neurosurgery
Operculum
Patients
Supplementary motor area
Surgery
Surgical Orthopedics
Tomography
Ventricle
Aphasia
Hemiplegia
SMA supplementary motor area
Frontal lobe
FAT frontal aslant tract
Neural networks
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Summary:Supplementary motor area (SMA) syndrome is characterised by transient disturbance in volitional movement and speech production which classically occurs after injury to the medial premotor area. We present two cases of SMA syndrome following isolated surgical injury to the frontal aslant tract (FAT) with the SMA intact. The first case occurred after resection of a left frontal operculum tumour. The second case occurred after a transcortical approach to a ventricular neurocytoma. The clinical picture and fMRI activation patterns during recovery were typical for SMA syndrome and support the theory that the FAT is a critical bundle in the SMA complex function.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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ISSN:0942-0940
0001-6268
0942-0940
DOI:10.1007/s00701-022-05466-6