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Assessing the risk of middle meningeal artery damage in pterional craniotomy: An anatomical appraisal using an adult dry skull population

Assessing the risk of middle meningeal artery damage in pterional craniotomy: An anatomical appraisal using an adult dry skull population
Assessing the risk of middle meningeal artery damage in pterional craniotomy: An anatomical appraisal using an adult dry skull population
The location of the pterion in relation to the middle meningeal artery (MMA) is of interest for pterional craniotomy. The aim of this study was to determine the anatomical relationship between the pterion and the MMA in 94 dry adult skulls. Transillumination was used to visualize the anterior MMA grooves and the frequency with which they entered specific bony territories. Pterion morphology was found to be 82% sphenoparietal, 14% epipteric, and 4% frontotemporal. A sex difference between type and occurrence of pterion was found (P < 0.01). The sphenoid ridge was found to be significantly closer to the pterion center point bilaterally in females (right P < 0.022: left P < 0.026). Eighty percent of the vessel grooves were involved with the pterion. There was a high incidence of a sphenoid to parietal direction across the pterion region when compared with other configurations (P < 0.001). The MMA was located behind the sphenoid, parietal, and temporal bones but rarely behind the frontal bone. We found the MMA travelling posterior to the entire pterion in one-fifth of cases. These findings suggest that the anterior branch of the MMA is not always associated with the pterion and has highlighted specific areas of vascular risk for pterional craniotomy.
802
Glasson, M.
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Temple, K.
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Gilder, M.
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Inskip, S.
02c7f989-5572-4e0d-9aca-a3e95dcd3188
Williams, E.
a06b8350-5be8-478c-a0ce-573e7fecfcd7
Sofaer, J.
038f9eb2-5863-46ef-8eaf-fb2513b75ee2
Border, S.
67fce2e0-d2cd-43a2-a9cc-e6cb6fd28544
Glasson, M.
9b5bf873-9a80-4ada-a8fc-a34e3458298e
Temple, K.
d965f164-a617-4482-bc83-98a1236d4595
Gilder, M.
3eb7a1d3-7370-48ac-a75d-6fc7c90599c1
Inskip, S.
02c7f989-5572-4e0d-9aca-a3e95dcd3188
Williams, E.
a06b8350-5be8-478c-a0ce-573e7fecfcd7
Sofaer, J.
038f9eb2-5863-46ef-8eaf-fb2513b75ee2
Border, S.
67fce2e0-d2cd-43a2-a9cc-e6cb6fd28544

Glasson, M., Temple, K., Gilder, M., Inskip, S., Williams, E., Sofaer, J. and Border, S. (2011) Assessing the risk of middle meningeal artery damage in pterional craniotomy: An anatomical appraisal using an adult dry skull population. Joint winter meeting of the Anatomical Society, British Association of Clinical Anatomists, and the Institute of Anatomical Sciences, University of Cardiff, Cardiff, United Kingdom. 19 - 21 Dec 2011. p. 802 .

Record type: Conference or Workshop Item (Other)

Abstract

The location of the pterion in relation to the middle meningeal artery (MMA) is of interest for pterional craniotomy. The aim of this study was to determine the anatomical relationship between the pterion and the MMA in 94 dry adult skulls. Transillumination was used to visualize the anterior MMA grooves and the frequency with which they entered specific bony territories. Pterion morphology was found to be 82% sphenoparietal, 14% epipteric, and 4% frontotemporal. A sex difference between type and occurrence of pterion was found (P < 0.01). The sphenoid ridge was found to be significantly closer to the pterion center point bilaterally in females (right P < 0.022: left P < 0.026). Eighty percent of the vessel grooves were involved with the pterion. There was a high incidence of a sphenoid to parietal direction across the pterion region when compared with other configurations (P < 0.001). The MMA was located behind the sphenoid, parietal, and temporal bones but rarely behind the frontal bone. We found the MMA travelling posterior to the entire pterion in one-fifth of cases. These findings suggest that the anterior branch of the MMA is not always associated with the pterion and has highlighted specific areas of vascular risk for pterional craniotomy.

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More information

e-pub ahead of print date: 21 December 2011
Additional Information: Abstracts Presented at the Joint Winter Meeting of the Anatomical Society, British Association of Clinical Anatomists, and the Institute of Anatomical Sciences, 19th to 21st December 2011, University of Cardiff, Wales
Venue - Dates: Joint winter meeting of the Anatomical Society, British Association of Clinical Anatomists, and the Institute of Anatomical Sciences, University of Cardiff, Cardiff, United Kingdom, 2011-12-19 - 2011-12-21
Organisations: Medical Education

Identifiers

Local EPrints ID: 366828
URI: http://eprints.soton.ac.uk/id/eprint/366828
PURE UUID: ea1e356d-c686-4ce2-aad0-f81185da6c75
ORCID for J. Sofaer: ORCID iD orcid.org/0000-0001-6328-8636

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Date deposited: 14 Jul 2014 10:51
Last modified: 08 Feb 2023 02:38

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Contributors

Author: M. Glasson
Author: K. Temple
Author: M. Gilder
Author: S. Inskip
Author: E. Williams
Author: J. Sofaer ORCID iD
Author: S. Border

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