Anatomic position of the asterion in Kenyans for posterolateral surgical approaches to cranial cavity

Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists
P MwachakaP O Odula

Abstract

The asterion, defined as the junction between lambdoid, parietomastoid, and occipitomastoid sutures, has been used as a landmark in posterolateral approaches to the posterior fossa. Its reliability however has been put into question due to its population-specific variability in position, using external palpable landmarks and its relation to the transverse-sigmoid sinus complex. This study aimed at determining the anatomic position of the asterion in a Kenyan population. Measurements from the asterion to the root of zygoma and the tip of mastoid process, respectively were taken on both left and right sides of 90 (51 male, 39 female) human skulls. The relation of the asterion to the transverse-sigmoid sinus junction was also determined. The distances on the right and left sides from the asterion to the root of the zygoma were 58.85 +/- 2.50 mm and 58.44 +/- 2.12 mm, respectively. The asterion was 47.89 +/- 3.72 mm above the tip of mastoid process on the right side and 47.62 +/- 2.87 mm on the left side. This point was significantly higher in males (48.36 +/- 2.72 mm) than in females (46.62 +/- 3.37 mm) with a P-value of 0.041. Regarding its position from the transverse-sigmoid sinus junction, it was at the junction in 72 cases, b...Continue Reading

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Citations

Nov 23, 2011·Journal of Forensic Sciences·Vineeta SainiSunil K Tripathi
Oct 15, 2013·Journal of Forensic Sciences·Blessing N R JajaBlessing C Didia
Nov 2, 2016·Journal of Neurosurgery·Jose Weber Vieira de FariaEberval Gadelha Figueiredo
Feb 6, 2019·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Chuan ZhouAntonio Bernardo
Apr 21, 2011·Neuroinformatics·Wieslaw L NowinskiGuo Yu Qian
Nov 6, 2013·Methods of Information in Medicine·N D ForkertA Kemmling
Apr 2, 2014·Orthopedics·Nathaniel C WingertG Dean Harter
Apr 14, 2015·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Anja PetarosSebastian K T S Wärmländer

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