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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 9, Issue 1, November 2013 pp 112-115

Research Article

A Morphometric Study of Pterion in Adult Human Skulls


Seema D.1, Dakshayani K.R.2, Sumanth M.M.3

{1*Associate Professor, 2Professor & Head, Department of Anatomy} {3Assistant Professor, Department of Community Medicine}

Mysore Medical College & Research Institute, Mysore -570001, Karnataka, INDIA.

Academic Editor : Dr. Aher K.R.



Pterional access has been the time tested approach in the management of a wide variety of neurosurgical disorders in the anterior, middle and upper part of posterior cranial fossa. Pterion has been described as the ‘H’ shaped suture which is the confluence of temporal, parietal, sphenoidal and frontal bones at the lateral aspect of skull. Its location is approximately 4 cm above the zygomatic arch and 3.5 cm behind the frontozygomatic suture. Four different types of pterion have been described in various population groups. The present study was undertaken in 50 adult skulls of both sexes available in department of Anatomy, M.M.C & R.I, Mysore, to determine the location of pterion, define its type and measure the distance of various bony landmarks from the centre of the pterion. These findings will be of importance to anthropologists, anatomists, forensic pathologists and neurosurgeons.