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J Neurol Surg B Skull Base
DOI: 10.1055/a-2413-4040
Original Article

Anatomy of Inferior Temporal Arteries in Relation to Middle Cranial Fossa Structures: A Postmortem Computed Tomography Angiography Study

Adela Bubenikova 
1   Department of Neurosurgery, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
2   Department of Neurosurgery and Neurooncology, 1st Faculty of Medicine, Charles University and Military University Hospital, Prague, Czech Republic
,
Lorenzo Giammattei
3   Department of Clinical Neuroscience, Service of Neurosurgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
,
Christine Bruguier
4   Department of Forensic Medicine, University Center of Legal Medicine Lausanne - Geneva, University Hospital Lausanne, Lausanne, Switzerland
5   Department of Diagnostic and Interventional Radiology, University Hospital Lausanne, Lausanne, Switzerland
,
Vincent Dunet 
5   Department of Diagnostic and Interventional Radiology, University Hospital Lausanne, Lausanne, Switzerland
,
Daniele Starnoni
3   Department of Clinical Neuroscience, Service of Neurosurgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
,
Pablo Gonzalez-Lopez 
6   Department of Neurosurgery, University Hospital of Alicante, Alicante, Spain
,
Mercy George
7   Department of ENT and Head and Neck Surgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
,
David Peters
8   Department of Neurosurgery, Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina, United States
,
Giulia Cossu 
3   Department of Clinical Neuroscience, Service of Neurosurgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
,
Vladimir Benes
2   Department of Neurosurgery and Neurooncology, 1st Faculty of Medicine, Charles University and Military University Hospital, Prague, Czech Republic
,
Mahmoud Messerer 
3   Department of Clinical Neuroscience, Service of Neurosurgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
,
Virginie Magnin
4   Department of Forensic Medicine, University Center of Legal Medicine Lausanne - Geneva, University Hospital Lausanne, Lausanne, Switzerland
5   Department of Diagnostic and Interventional Radiology, University Hospital Lausanne, Lausanne, Switzerland
,
Silke Grabherr 
4   Department of Forensic Medicine, University Center of Legal Medicine Lausanne - Geneva, University Hospital Lausanne, Lausanne, Switzerland
,
Roy Thomas Daniel 
3   Department of Clinical Neuroscience, Service of Neurosurgery, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
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Abstract

Objective The inferior temporal arteries (ITAs), branches of the posterior cerebral artery (PCA), are critical vascular structures encountered during subtemporal surgical approaches. Anatomical data based on multiphase postmortem computed tomography angiography (MPMCTA) are provided as a tool for preoperative surgical planning to lower the risk of ITA injury.

Methods Adult (≥18 years) cases that underwent MPMCTA during 2015 to 2023 and whose cause of death did not involve the cerebral circulation were included in the study. Standardized measurements on four predefined coronal slices in relation to the posterior clinoid process (PCP) were established with references to projections in axial and sagittal planes. The main aim was to assess the presence, width, and course of anterior ITA (AITA), middle ITA (MITA), and posterior (PITA) particularly within the individual established quadrants of the middle cranial fossa.

Results A total of 74 hemispheres were studied among 37 patients with the mean age of 52 ± 20.2 years. PITA was present in 98.7% of studied hemispheres, followed by MITA in 90.7% and AITA in 89.2%. The course of PITA was straight (65.8%) or oblique (34.3%), with significant difference in mean width (p = 0.050), branching angle (p < 0.001), distance to tentorial hiatus (p < 0.001), and superior petrosal sinus (p < 0.001). A pattern of PITA loop was defined as a twisting of its course within the collateral sulcus. Significant relationship between the presence of AITA and MITA (p < 0.001) along with the co-presence of AITA and PITA (p = 0.029) was found.

Conclusion Knowledge of ITA characteristics and their relationship to surrounding anatomical structures is vital in subtemporal neurosurgical interventions. Preoperative inspection of the collateral sulcus and its relation to the surgical trajectory is critical to prevent PITA injury.

Keywords

inferior temporal artery - postmortem imaging - surgical planning - posterior cerebral artery

Availability of Data and Materials

Data included in the study are available from the corresponding author upon reasonable request.


Supplementary Material



Publication History

Received: 23 July 2024

Accepted: 03 September 2024

Accepted Manuscript online:
11 September 2024

Article published online:
11 October 2024

© 2024. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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