Morphometric Evaluation of Foramen Magnum in Dry Human Skulls

Kumar, Anil; Dave, Mitesh R; Anwar, Sanam

doi:10.16965/ijar.2015.154

Cited by 21 publications

(31 citation statements)

References 38 publications

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“…Mean area in our study was found to be 714.99±0.844 mm 2 which is closer to study done by Singh [18] and Anil kumar 876 mm 2 [12].…”

Section: Discussionsupporting

confidence: 88%

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Evaluation of Foramen Magnum in Dry Human Skulls of Dakshina Kannada District

Remya¹,

Rathnakar²,

thi³

2017

IJAR

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“…Mean area in our study was found to be 714.99±0.844 mm 2 which is closer to study done by Singh [18] and Anil kumar 876 mm 2 [12].…”

Section: Discussionsupporting

confidence: 88%

“…The mean AP diameter in the present study was found to be less than that by Anil Kumar in 2015(36.78mm) [12] Jain D in 2014 (36.2mm) [13] and Burdan in 2012 (37.06mm) [14].…”

Section: Discussioncontrasting

confidence: 57%

Evaluation of Foramen Magnum in Dry Human Skulls of Dakshina Kannada District

Remya¹,

Rathnakar²,

thi³

2017

IJAR

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“…Evaluation of these foramina is becoming an important part of diagnostic medicine and making difficult diagnosis of pathological conditions of skull foramina possible [13].…”

Section: Introductionmentioning

confidence: 99%

Morphometry and Surgical Importance of Foramen Magnum

Arora¹,

Sharma²,

Siddiqui³

et al. 2017

IJAR

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Introduction:The Foramen Magnum (FM) lies in an anteromedian position and leads into the posterior cranial fossa. It is oval and wider behind, with its greatest diameter being anteroposterior. It contains the lower end of the medulla oblongata, meninges, vertebral arteries and spinal accessory nerve. The apical ligament of dens and the tectorial membrane pass through it, to attach to the basiocciput. Anteriorly the margin of foramen magnum is slightly overlapped by the occipital condyles. Transcondylar, supracondylar, and other lateral surgical approaches provide access to various foramina on the base of skull and prevent broad retraction of the neural structures passing through them Morphometric analysis of foramen magnum plays important role in transcondylar approach. Aim: The study was designed to measure the diameters and shape of foramen Magnum and correlates the measurements with clinical importance, as its shape and variation in diameters will be of great help to operating surgeon during surgical procedures. Materials and Methods: Forty dry human skulls were studied during this research work. Skulls were taken from the department of anatomy, dayanand medical college and hospital, Ludhiana and other medical college. Results: During this study the mean MAPD was 35.42mm, the MTD found to be 27.90mm The Foramen magnum Index found to be 17.20mm. The shape of foramen magnum found mostly was oval in 60% cases. The anterior inter condylar distance found to be 18.01 to 20.00mm. Whereas middle intercondylar distance is 20.1 to 22mm and posterior was 30.01 to 32.00mm. Conclusion:The present study had observed the variation in the measurements of skull base foramen magnum which were different from observations by the western studies because of difference of race and geographical areas.

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“…From an inferior view, there are ten skull base foramina conventionally described as constant: greater palatine, lesser palatine, lacerum, ovale, spinosum, external opening of the carotid canal, stylomastoid, jugular, mastoid, and external opening of the hypoglossal canal (Drake et al). These structures can be used to establish differences between different populations and ethnic groups, due to the fact that both their morphology and morphometry are particularly variable (Osunwoke et al, 2010;Khan et al, 2012;Osunwoke et al, 2012;Gupta et al, 2014;Kumar et al, 2015;Vidya et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Singh et al, 2011;Khan et al;Osunwoke et al, 2012;Gupta et al;Kumar et al;Raval et al, 2015;Vidya et al).…”

Section: Introductionmentioning

confidence: 99%

Morphometric Study of Five Constant Skull Base Foramina in the Muisca Population of the Tibanica Anthropological Collection of the Universidad de Los Andes

Muñoz

Rueda‐Esteban

2016

Int. J. Morphol.

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SUMMARY:Among osteological anatomic variations are those of the skull base foramina. These openings have conventionally been classified as either constant or variant. Their presence and dimensions have been associated with certain pathologies and procedural complications. Additionally, variability in these foramina between different ethnic groups has been observed, and it is sometimes possible to identify particular patterns of variability in certain populations. This anthropometric cross-sectional study seeks to determine the principal dimensions (bilateral anteroposterior and lateromedial diameters) of five constant skull base foramina in the adult Muisca population of the Tibanica anthropological collection at Universidad de los Andes. The studied foramina were magnum, jugular, ovale, spinosum, and external opening of the carotid canal. Only dimensions of the external openings of the foramina were recorded, owing to the preservation state of the skulls in the collection. The mean left and right anteroposterior and lateromedial diameters were 3.48 mm, 6.16 mm and 3.25 mm, 6.26 mm for the foramen ovale; 2.38 mm, 2.65 mm and 2.39 mm, 2.66 mm for foramen spinosum; 8.36 mm, 15.41 mm and 8.55 mm, 15.10 mm for the jugular foramen; 5.28 mm, 6.75 mm and 5.48 mm, 6.97 mm for the external opening of the carotid canal; and 33.90 mm, 29.47 mm for the foramen magnum. All foramina were measured twice, no important differences were observed between the results obtained in the first and second measurements. The skull base foramina of the sample studied did not suggest high variability within the population regarding these characteristics. Moreover, we can state that the morphometric profile displayed by the Tibanica collection at Universidad de los Andes is different from the one observed in other populations. Additional studies of anatomic variations in indigenous populations may be needed to make possible similarities and/or differences and their causes evident.

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Morphometric Evaluation of Foramen Magnum in Dry Human Skulls

Cited by 21 publications

References 38 publications

Evaluation of Foramen Magnum in Dry Human Skulls of Dakshina Kannada District

Evaluation of Foramen Magnum in Dry Human Skulls of Dakshina Kannada District

Morphometry and Surgical Importance of Foramen Magnum

Morphometric Study of Five Constant Skull Base Foramina in the Muisca Population of the Tibanica Anthropological Collection of the Universidad de Los Andes

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