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Evaluation of Asterion Morphometry in Terms of Clinical Anatomy [Eastern J Med]
Eastern J Med. 2019; 24(4): 520-523 | DOI: 10.5505/ejm.2019.504523  

Evaluation of Asterion Morphometry in Terms of Clinical Anatomy

Sinem Akkaşoğlu1, Mine Farimaz2, Hilal Akdemir Aktaş3, Hakan Ocak4, Ömür Dilek Erdal5, Mustafa Fevzi Sargon6, selma çalışkan1
1Department of Anatomy, Faculty of Medicine, Ankara Yıldırım Beyazıt University, Ankara, Turkey
2Department of Anatomy, Faculty of Medicine, Ufuk University, Ankara, Turkey
3Department of Anatomy, Faculty of Medicine, Hacettepe University, Ankara, Turkey
4Department of Anatomy, Faculty of Medicine, Karadeniz Technical University, Ankara, Turkey
5Department of Anthropology, Faculty of Letters, Hacettepe University, Ankara, Turkey
6Department of Anatomy, Faculty of Medicine, Atılım University, Ankara, Turkey

INTRODUCTION: Asterion is the junction of lambdoid, parietomastoid and occipitomastoid sutures and it corresponds to the location of the posterolateral fontanelle. It is close related to the location of junction of transverse and sigmoid sinuses.
Mastoid process, posterior end of zygomatic arch, external occipital protuberance and lambda are bony features in close proximity of asterion. In the present study we measured the distance between asterion and each of aforementioned bony points.

METHODS: Twenty human dry skulls were included in this study.
RESULTS: Distance between asterion and mastoid process was 43.65 ± 6.75 mm on the left side and 45.01± 6.04mm on the right side. Distance between asterion and posterior end of zygomatic arch was 43.97 ± 7.37 mm on the left side and 43.95± 7.02 mm on the right side. Distance between asterion and external occipital protuberance was 62.59 ± 8.83 mm on the left side and 54.75 ±5.57mm on the right side. Distance between asterion and lambda was 81.40 ± 7.36 mm on the left side and 82 ± 4.96 mm on the right side.
In 84 % of the cases asterion was at the junction of transverse and sigmoid sinuses. In 12% of the cases asterion was below the junction of transverse and sigmoid sinuses. In 4 % of the cases asterion was above the junction of transverse and sigmoid sinuses.

DISCUSSION AND CONCLUSION: Asterion is the essential point to indicate safety zone for surgical approach and to determine sex and age. It is great interest of anatomists, anthropologists, forensic experts, radiologists and neurosurgeons.

Keywords: Asterion, skull, neurosurgery


Sinem Akkaşoğlu, Mine Farimaz, Hilal Akdemir Aktaş, Hakan Ocak, Ömür Dilek Erdal, Mustafa Fevzi Sargon, selma çalışkan. Evaluation of Asterion Morphometry in Terms of Clinical Anatomy. Eastern J Med. 2019; 24(4): 520-523

Corresponding Author: Sinem Akkaşoğlu, Türkiye


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