Δημοσίευση

Pterional variable topography and morphology. An anatomical study and its clinical significance.

ΤίτλοςPterional variable topography and morphology. An anatomical study and its clinical significance.
Publication TypeJournal Article
Year of Publication2020
AuthorsNatsis, K., Antonopoulos I., Politis C., Nikolopoulou E., Lazaridis N., Skandalakis G. P., Chytas D., & Piagkou M.
JournalFolia Morphol (Warsz)
Date Published2020 Sep 08
ISSN1644-3284
Abstract

BACKGROUND: Pterion is the junction of the frontal, parietal, greater wing of the sphenoid and the squamous part of the temporal bone. The sphenoparietal, frontotemporal, stellate and epipteric pteria were described. The current study determines pterion topography, morphology (variant types' frequency) and morphometry, as well as epipteric bones presence in dried skulls. Gender impact is underlined as well.MATERIAL AND METHODS: Ninety Greek adult dried skulls were observed. The distances in between pterion and the zygomatic arch midpoint and in between pterion and the frontozygomatic suture were measured.RESULTS: The sphenoparietal pterion was the commonest (58.3%), following by the stellate (25%), epipteric (15.5%) and by the frontotemporal pterion (1.1%). Twenty-eight skulls (15.5%) had epipteric bones, further categorized as quadrisutural (35.7%), trisutural (57.1%), bisutural and multiple (3.57%). The mean distances between pterion and the midpoint of zygomatic arch were 4.13+0.45cm on the right and 4.09 + 0.47cm on the left side and between pterion and the frontozygomatic suture were 3.47 + 0.61 cm on the right and 3.52 + 0.65 cm on the left. Both distances were symmetrical. Male skulls showed slightly higher values on the left side for the distance pterion and midpoint of zygomatic arch.CONCLUSIONS: Pterion is a commonly used neurosurgical landmark and thus in depth knowledge of the pteric area and its variants could be valuable. Recognition of the possible variability in pterion location, morphology and morphometry, as well as possible occurrence of epipteric bones may render pterional craniotomy safer among different population groups.

DOI10.5603/FM.a2020.0113
Alternate JournalFolia Morphol (Warsz)
PubMed ID32896866

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