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Vol 82, No 1 (2023)
Original article
Submitted: 2021-10-13
Accepted: 2021-10-29
Published online: 2021-11-16
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Morphometry and morphological analysis of carotico-clinoid foramen: an anatomical study with clinical implications

A. Priya1, R. K. Narayan2, S. K. Ghosh1, P. Kumar3
DOI: 10.5603/FM.a2021.0128
·
Pubmed: 34826131
·
Folia Morphol 2023;82(1):108-118.
Affiliations
  1. Department of Anatomy, All India Institute of Medical Sciences, Patna, India
  2. Department of Anatomy, Andaman and Nicobar Islands Institute of Medical Sciences, Port Blair, India
  3. Department of Radiodiagnosis, All India Institute of Medical Sciences, Patna, India

open access

Vol 82, No 1 (2023)
ORIGINAL ARTICLES
Submitted: 2021-10-13
Accepted: 2021-10-29
Published online: 2021-11-16

Abstract

Background: The dural fold between anterior and middle clinoid processes on mineralisation leads to the formation of caroticoclinoid foramen (CCF). Different morphology of this foramen presents with different clinical features. The present study reports the frequency of CCF in the population of Bihar, while providing an account of assimilated information from previous literature regarding the association of caroticoclinoid ligament ossification with age and human genetics.
Materials and methods: The study was conducted on 100 adult dry human skulls of unknown age and sex, and 50 lateral view radiographs of the head.
Results: Of the 100 dry skull bones, 9 presented with different forms of CCF. Bilateral complete foramina were noticed in 2 (2%) skull bones, while the incomplete foramina were observed bilaterally in 3 (3%) and unilaterally in 4 (4%) skulls. The lateral view radiograph data (n = 50) presented with a bilateral foramen in one subject and unilateral complete CCF in two different subjects. On measurements of the diameters of the complete CCF the mean values observed were 4.06 mm and 4.51 mm on the right side, while that on the left side were 5.15 mm and 4.14 mm. For the incomplete foramina, the mean values for the vertical diameter were 4.48 mm on the right and 4.19 mm on the left side, respectively.
Conclusions: The frequency of CCF in the present study population of Bihar was much lesser than that of previously studied populations. However, the variation in frequency of different morphological types of CCF was observed to be the same across populations. The variations in CCF’s metric data could help in predicting the morphological changes it causes to the clinoidal segment of the internal carotid artery, as well as in distinguishing its varieties.

Abstract

Background: The dural fold between anterior and middle clinoid processes on mineralisation leads to the formation of caroticoclinoid foramen (CCF). Different morphology of this foramen presents with different clinical features. The present study reports the frequency of CCF in the population of Bihar, while providing an account of assimilated information from previous literature regarding the association of caroticoclinoid ligament ossification with age and human genetics.
Materials and methods: The study was conducted on 100 adult dry human skulls of unknown age and sex, and 50 lateral view radiographs of the head.
Results: Of the 100 dry skull bones, 9 presented with different forms of CCF. Bilateral complete foramina were noticed in 2 (2%) skull bones, while the incomplete foramina were observed bilaterally in 3 (3%) and unilaterally in 4 (4%) skulls. The lateral view radiograph data (n = 50) presented with a bilateral foramen in one subject and unilateral complete CCF in two different subjects. On measurements of the diameters of the complete CCF the mean values observed were 4.06 mm and 4.51 mm on the right side, while that on the left side were 5.15 mm and 4.14 mm. For the incomplete foramina, the mean values for the vertical diameter were 4.48 mm on the right and 4.19 mm on the left side, respectively.
Conclusions: The frequency of CCF in the present study population of Bihar was much lesser than that of previously studied populations. However, the variation in frequency of different morphological types of CCF was observed to be the same across populations. The variations in CCF’s metric data could help in predicting the morphological changes it causes to the clinoidal segment of the internal carotid artery, as well as in distinguishing its varieties.

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Keywords

caroticoclinoid foramen, human genetics, mineralisation

About this article
Title

Morphometry and morphological analysis of carotico-clinoid foramen: an anatomical study with clinical implications

Journal

Folia Morphologica

Issue

Vol 82, No 1 (2023)

Article type

Original article

Pages

108-118

Published online

2021-11-16

Page views

3370

Article views/downloads

1032

DOI

10.5603/FM.a2021.0128

Pubmed

34826131

Bibliographic record

Folia Morphol 2023;82(1):108-118.

Keywords

caroticoclinoid foramen
human genetics
mineralisation

Authors

A. Priya
R. K. Narayan
S. K. Ghosh
P. Kumar

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