MASTOID PROCESS MORPHOMETRY ON DRY SKULLS

Objective: Mastoid process is the downward projection from the mastoid part of the temporal bone located posteroinferior to external auditory meatus. Mastoid process is a palpable bony structure which enables to determine the location of asterion. The aim of this study is to define details of mastoid process anatomy to enlighten surgeons, anatomists, anthropologists and forensic experts. Material and Methods: Present study was conducted on 20 skulls (20 left + 20 right=40) and 18 hemi skulls of unknown sex. All measurements were taken by two observers simultaneously by using digital caliper. Of the 58 mastoid processes 30 were right sided and 28 were left sided. Results: Mean and standard deviation of all measurements were reported on each mastoid process. The difference between right A line (distance between right asterion and right apex of mastoid process) and left A line was statistically significant (p=0.022). The difference between right D line (Vertical distance between imaginary plane from the superior border of right external auditory meatus to right apex of mastoid process) and left D line was statistically significant (p

Kuru Kafalarda Processus Mastoideus Morfometrisi

Amaç: Çalışmamızda processus mastoideus anatomisinin detaylarını tanımlamak ve cerrahlar, anatomistler, antropologlar ve adli bilimler ile ilgilenenlere ışık tutmak amaçlanmıştır Gereç ve Yöntemler: Processus mastoideus temporal kemikte meatus acusticus externus’un postero-inferioru’ndan aşağı doğru uzanan bir yapıdır. Çalışmamız cinsiyeti bilinmeyen 20 kafa iskeletinin bütünü (20 sağ + 20 sol= 40) ve 18 yarım kafatasında gerçekleştirildi. Bütün ölçümler digital kumpas kullanılarak iki araştırmacı tarafından eş zamanlı olarak yapıldı. Bulgular: Ellisekiz processus mastoideus’un 30’u sağ ve 28’i sol tarafa aitti. Her processus mastoideus için tüm ölçümlerin ortalama ve standart sapması rapor edildi. Sağ ve sol A çizgileri (asterion-processus mastoideus’un apex’i) arasındaki fark istatistiksel olarak anlamlıydı (p = 0.022). Sağ ve sol D çizgileri (meatus acusticus externus’un üst sınırından çizilen düzlem ile processus mastoideus’un apex’i arasındaki vertikal uzaklık) arasındaki fark istatistiksel olarak anlamlıydı (p

Kaynakça

1. Sukre SB, Chavan PR, Shewale SN. Morphometric analysis of mastoid process for sex determination among Marathwada population. MedPulse – International Journal of Anatomy. 2017;1(2):27-3.

2. Saini V, Srivastava R, Rai RK, Shamal SN, Singh TB, Tripathi SK. Sex estimation from the mastoid process among North Indians. J Forensic Sci. 2012;57(2):434-9.

3. Çiçekcibaşı AE, Murshed KA, Zeylan T, Şeker M, Tuncer I. A morphometric evaluation of some important bony landmarks on the skull base related to sexes. Turk J Med Sci. 2004;34:37-42.

4. Petaros A, Sholts SB, Slaus M, Bosnar A, Wärmländer SK. Evaluating sexual dimorphism in the human mastoid process: A viewpoint on the methodology. Clin Anat. 2015;28(5):593-601. Doi: 10.1002/ca.22545.

5. Jung H, Woo EJ. Evaluation of mastoid process as sex indicator in modern White Americans using geometric morphometrics. J Forensic Sci. 2016;61(4):1029-33.

6. Kim HG, Yim SY. Ipsilateral hypertrophy of the mastoid process in surgical cases of congenital muscular torticollis. Cleft Palate Craniofac J. 2019;56(10):1295-301.

7. Drake RL, Vogl A. W, Mitchell AWM. Gray’s Anatomy for Students. 2nd ed. London. Churchill Livingstone Elsevier, 2009.

8. Chotai PN, Loukas M, Tubbs RS. Unusual origin of the levator scapulae muscle from mastoid process. Surg Radiol Anat. 2015;37(10):1277-81.

9. Mwachaka PM, Hassanali J, Odula PO. Anatomic position of the asterion in Kenyans for posterolateral surgical approaches to cranial cavity. Clin Anat. 2010;23(1):30-3.

10. Ucerler H, Govsa F. Asterion as a surgical landmark for lateral cranial base approaches. J Craniomaxillofac Surg. 2006;34(7):415-20 Doi:10.1016/j.jcms.2006.05.003.

11. Galindo-de León S, Hernández-Rodríguez AN, Morales-Ávalos R, Theriot-Girón Mdel C, Elizondo-Omaña RE, Guzmán-López S. Morphometric characteristics of the asterion and the posterolateral surface of the skull: Relationship with dural venous sinuses and neurosurgical importance. Cir Cir. 2013;81(4):269-73.

12. Yilmaz MT, Yuzbasioglu N, Cicekcibasi AE, Seker M, Sakarya ME. The evaluation of morphometry of the mastoid process using multidetector computed tomography in a living population. J Craniofac Surg. 2015;26(1):259-63.

13. Sonne JWH. Report of a non‑looped variant of ansa cervicalis with omohyoid innervation from accessory nerve branch and omohyoid attachment to mastoid process. Eur Arch Otorhinolaryngol. 2019;276(7):2105-08. Doi: 10.1007/s00405-019-05436-2.

14. Yokoyama J, Ooba S, Fujimaki M, Anzai T, Kojima M, Ikeda K. Impact of removing mastoid process for advanced parotid cancer on facial nerve identification, preservation and reconstruction. Head Face Med. 2014;10:6. Doi:10.1186/1746-160X-10-6.

15. Rahne T, Schilde S, Seiwerth I, Radetzki F, Stoevesandt D, Plontke SK. Mastoid dimensions in children and young adults: Consequences for the geometry of transcutaneous bone-conduction implants. Otol Neurotol. 2016;37(1):57-61.

Kaynak Göster

Kırıkkale Üniversitesi Tıp Fakültesi Dergisi
  • ISSN: 2148-9645
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1999

9.8b5.6b

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