Transverse Diameter of the Lumbar Spinal Canal in Normal Adult Saudis

Amonoo-Kuofi, Harold S.; Patel, P. J.; Fatani, J A

doi:10.1159/000146870

Cited by 23 publications

(23 citation statements)

References 8 publications

(16 reference statements)

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“…The interpedicular distance of the patients in our study was greater than that of Nigerians, Saudis and Koreans, but less than that of Spanish, Indian and healthy Turkish participants. 13,[16][17][18][19] The transverse diameter of the vertebral body in our population was similar to that observed in Nigerians, but was less than that seen in healthy Turkish people. 16,19 The cephalocaudal diameter of the pedicle is greatest at T12 and L1.…”

Section: Discussionsupporting

confidence: 75%

“…As a result, the morphometric diameters recorded for those 13,14 Age is also considered to be an important variable in describing the pedicular morphometry. 15 In our study, patients were from different age groups and, except for the transverse and sagittal diameters of the vertebral body, many of the parameters showed little change between these groups.…”

Section: Discussionmentioning

confidence: 99%

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Morphometry of the thoracolumbar vertebrae in sickle cell disease

Serarslan

Kalacı

Özkan

et al. 2010

Journal of Clinical Neuroscience

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Morphometry of the thoracolumbar vertebrae in sickle cell disease

Serarslan

Kalacı

Özkan

et al. 2010

Journal of Clinical Neuroscience

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“…35 This relation is so steady that the ratio between the two was found to be constant (0.6) only at L1, L2 and L4. This ratio is equal to that estimated in Nigerians 7 and Saudis, 13 which was also 0.6 in both cases.…”

supporting

confidence: 53%

Lumbar vertebral canal stenosis: concept of morphometric and radiometric study of the human lumbar vertebral canal

El-Rakhawy¹

2010

Anatomy

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Objectives: Vertebral canal stenosis has attracted the attention of anatomists and clinician as an important structural change with significant radiological and clinical implications. Narrowing of all diameters of the vertebral foramen with age could be responsible as a factor which might produce back pain. The aim of the present study was to estimate the averages anatomical changes in the transverse and anteroposterior diameters of the lumbar vertebral canal in Egyptian population to establish a clue to the underlying some causes of the low-back pain of unknown etiology. Methods:The present study investigated the lumbar part of the vertebral column of 20 adult skeletons and 200 plain Xrays of normal living subjects (100 males and 100 females) for both morphometric and radiometric analyses. Results:The mean width of the body of vertebrae showed gradual increase with the exception at L4 in dry bones. In addition, the mean width and depth of the vertebral foramina showed a gradual increase with the exception of L3 in dry bones. The study recorded a positive relationship between the mean width of the vertebral foramen and that of the body. The mean vertebral foramen width/body ratio was 0.6 except at L3 and L5 where the ratio was 0.5. Conclusion:The present study has shown a narrower depth of the lumbar vertebral canal in Egyptian population. L3 remains the center point for transition in the dimensions and hence more susceptible to stenosis and spinal nerve compression. This study has also shown that the ratio between the width of body and foramen of lumbar vertebrae remains constant. By this ratio it may be possible to predict any lumbar vertebral anomalies or vertebral canal stenoses and to give some explanation about low-back pain of unknown etiology.

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“…Other studies have been reported by Amonoo-Kuofi [9] on Nigerians, Postacchini et al [10] on Italians and Indians, Picraetal. [11] on Spanish subjects and Amonoo-Kuofi et al [12] on Saudis. Most importantly, the comparative studies by AmonooKuofi [9], Postacchini et al [ 10] and Piera et al [11] indi cated that there are morphometric differences between races.…”

Section: Introductionmentioning

confidence: 90%

Morphometric Variations of the Lumbar Vertebrae between Chinese and Indian Adults

Wang

Shih²

1992

Cells Tissues Organs

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A morphometric study of the lumbar vertebrae of 126 adult skeletons, 90 Chinese and 36 Indian, of both sexes without marginal osteophytes were performed. In each lumbar vertebra, the cephalad and caudad midsagittal diameters, the interpedicular diameter of the spinal canal as well as the midsagittal and transverse diameters and the height of the vertebral body were measured. The results showed that the midsagittal and transverse diameters, the heights of the lumbar vertebral bodies and the interpedicular diameters of the lumbar spinal canals increased progressively from L₁·to L₅, while the midsagittal diameters of the lumbar spinal canals decreased progressively from L₁ to L₅ in both Chinese and Indian adult skeletons. The lowest mean values of the cephalad and caudad midsagittal and the interpedicular diameters of the spinal canals in Chinese were found to be 5.04 ± 0.15 mm at L₅, 4.67 ± 0.09 mm at L₅ and 25.92 ± 0.20 mm at L₂, respectively, while in Indians they were found to be 4.54 ± 0.18 mm at L₅, 4.25 ± 0.10 mm at L₅ and 25.42 ± 0.22 mm at L₁, respectively. In addition, the mean diameters of the spinal canal and the vertebral body (except the height of the vertebral body) were significantly greater in the Chinese than in the Indian skeletons. The above findings indicate that the mean diameters of both the lumbar spinal canal and the vertebral body vary greatly between Chinese and Indian adults, i.e. there are no mean values of the vertebral dimensions that are valid for all populations. The mean diameters of both the lumbar spinal canal and the vertebral body were greater in Chinese than in Indians, which means that spinal stenosis occurs more easily in Indian than in Chinese adults. In addition, the mean values of the vertebral dimensions in Chinese and Indian adult skeletons obtained in this study could supply a piece of anatomical information to the investigators and furnish a useful reference to the orthopaedist or neurosurgeon in their treatments for the Chinese or Indian patients with spinal stenosis problems.

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Transverse Diameter of the Lumbar Spinal Canal in Normal Adult Saudis

Cited by 23 publications

References 8 publications

Morphometry of the thoracolumbar vertebrae in sickle cell disease

Morphometry of the thoracolumbar vertebrae in sickle cell disease

Lumbar vertebral canal stenosis: concept of morphometric and radiometric study of the human lumbar vertebral canal

Morphometric Variations of the Lumbar Vertebrae between Chinese and Indian Adults

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