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Year :2020
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Month :
July-August
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Volume :
9
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Issue :
3
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Page :
AO01 - AO03
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Incidence of Inca Bones among Dry Human Skull Bones: A Study in the Medical Colleges of a District in Southern India
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Correspondence Address :
Anusha Donapudi, Borra Vijayanirmala,
Dr. Anusha Donapudi,
Vijaya Vihar 1, A10, Pinnamaneni Sidhartha, Doctors quarters, Chinnaavutapally,
Vijayawada, Andhra Pradesh, India.
E-mail: donepudi.anusha@gmail.com
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Introduction: Introduction: The occipital bone in the human skull consists of two parts -supraoccipital and interparietal part. Sometimes the interparietal portion of the occipital bone remains separated from the supraoccipital part by a transverse suture, resulting in the occurrence of inca bone. Sometimes in man, interparietal bone is seen as a separate bone, as a variant.
Aim: To study the incidence of inca bone and its variations in dry human skull bones.
Materials and Methods: The present osteological study was done on 230 dry human skulls taken by convenient sampling method, of both the sex and of all the age groups during one year period from August 2018 to August 2019. The skull bones were collected from Anatomy and Forensic medicine departments of five medical colleges, both government and private medical colleges, in Krishna district, Andhra Pradesh, Southern India. Inferential statistics in terms of simple percentages were used.
Results: Among the 230 skull bones, 6 (2.6%) skulls were seen with inca bones. Out of these six skulls with interparietal bone, two skulls showed complete undivided inca bone. Incidence of inca bone was higher in male (3.4%) skull bones when compared to female (1.2%) skulls.
Conclusions: This inca bone incidence varies among different population. The knowledge about these inca bones would be useful to Clinicians, Radiologists and Neurosurgeons during their case management, besides the Forensic experts during their medicolegal case examinations.
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