Morphometric Analysis of Lumbosacral Canal in Human Foetuses

Lumbosacral part of the spinal canal requires special attention because this is the site commonly involved in spina bifida, tethered cord syndrome and some other pathologies like fatty tumours in the spine, cysts and syrinxes. The diagnosis as well as the treatment of neural tube defects mandates an...

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Autores principales:	Sumayya, Faruqi,Nafis A, Ansari,Mohd Salahuddin, Ghaus,Farah
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2011
Materias:	Lumbar canal Sacral canal Human foetuses Foetal growth Lumbar vertebrae Foetal morphometry
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300034
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spelling	oai:scielo:S0717-950220110003000342012-06-11Morphometric Analysis of Lumbosacral Canal in Human FoetusesSumayya,Faruqi,Nafis AAnsari,Mohd SalahuddinGhaus,Farah Lumbar canal Sacral canal Human foetuses Foetal growth Lumbar vertebrae Foetal morphometry Lumbosacral part of the spinal canal requires special attention because this is the site commonly involved in spina bifida, tethered cord syndrome and some other pathologies like fatty tumours in the spine, cysts and syrinxes. The diagnosis as well as the treatment of neural tube defects mandates an accurate knowledge of morphometry of lumbosacral vertebral canal. There are various reports on radiological morphometric measurements in human foetuses by various authors but these possess inherent variability due to imaging techniques, patient positioning, observer's measuring techniques and normal and pathological variations. To overcome all these limitations, direct measurements by vernier calliper were preferred. 30 Formalin preserved human foetuses, of all age groups and both sexes, free of congenital craniovertebral anomalies, were obtained from the museum of Dept. of Anatomy, J.N. Medical College AMU Aligarh for the present study. Foetuses were divided into five groups (I-V) based on their gestational ages. Group I foetuses were of less than 17 weeks, II of 17-20 weeks, III of 21-25 weeks, IV of 26-30 weeks and V of more than 30 weeks. Each group contained 6 foetuses having both male and female, 3 each. Morphometric parameters taken into account were length of lumbar canal, maximum transverse diameters of lumbar vertebral canal at different vertebral levels, heights of the posterior surfaces of bodies of all lumbar vertebrae and length of sacral canal. Readings of adjacent groups were compared and results were analyzed by using Student's 't' test. Lumbar canal starts growing in length significantly in group III foetuses onward. There was consistency in the growth of lumbar canal diameters with gestational age at all levels. Heights of vertebral bodies of Ist two lumbar vertebrae showed variability in some adjacent groups. The same in the next three grew constantly with the growth of foetuses. Sacral canal showed variable growth in lengths in different groups. Steady growth in the length and diameter of the lumbar canal may be used for approximate age of foetuses for medicolegal reasons.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.29 n.3 20112011-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300034en10.4067/S0717-95022011000300034
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Lumbar canal Sacral canal Human foetuses Foetal growth Lumbar vertebrae Foetal morphometry
spellingShingle	Lumbar canal Sacral canal Human foetuses Foetal growth Lumbar vertebrae Foetal morphometry Sumayya, Faruqi,Nafis A Ansari,Mohd Salahuddin Ghaus,Farah Morphometric Analysis of Lumbosacral Canal in Human Foetuses
description	Lumbosacral part of the spinal canal requires special attention because this is the site commonly involved in spina bifida, tethered cord syndrome and some other pathologies like fatty tumours in the spine, cysts and syrinxes. The diagnosis as well as the treatment of neural tube defects mandates an accurate knowledge of morphometry of lumbosacral vertebral canal. There are various reports on radiological morphometric measurements in human foetuses by various authors but these possess inherent variability due to imaging techniques, patient positioning, observer's measuring techniques and normal and pathological variations. To overcome all these limitations, direct measurements by vernier calliper were preferred. 30 Formalin preserved human foetuses, of all age groups and both sexes, free of congenital craniovertebral anomalies, were obtained from the museum of Dept. of Anatomy, J.N. Medical College AMU Aligarh for the present study. Foetuses were divided into five groups (I-V) based on their gestational ages. Group I foetuses were of less than 17 weeks, II of 17-20 weeks, III of 21-25 weeks, IV of 26-30 weeks and V of more than 30 weeks. Each group contained 6 foetuses having both male and female, 3 each. Morphometric parameters taken into account were length of lumbar canal, maximum transverse diameters of lumbar vertebral canal at different vertebral levels, heights of the posterior surfaces of bodies of all lumbar vertebrae and length of sacral canal. Readings of adjacent groups were compared and results were analyzed by using Student's 't' test. Lumbar canal starts growing in length significantly in group III foetuses onward. There was consistency in the growth of lumbar canal diameters with gestational age at all levels. Heights of vertebral bodies of Ist two lumbar vertebrae showed variability in some adjacent groups. The same in the next three grew constantly with the growth of foetuses. Sacral canal showed variable growth in lengths in different groups. Steady growth in the length and diameter of the lumbar canal may be used for approximate age of foetuses for medicolegal reasons.
author	Sumayya, Faruqi,Nafis A Ansari,Mohd Salahuddin Ghaus,Farah
author_facet	Sumayya, Faruqi,Nafis A Ansari,Mohd Salahuddin Ghaus,Farah
author_sort	Sumayya,
title	Morphometric Analysis of Lumbosacral Canal in Human Foetuses
title_short	Morphometric Analysis of Lumbosacral Canal in Human Foetuses
title_full	Morphometric Analysis of Lumbosacral Canal in Human Foetuses
title_fullStr	Morphometric Analysis of Lumbosacral Canal in Human Foetuses
title_full_unstemmed	Morphometric Analysis of Lumbosacral Canal in Human Foetuses
title_sort	morphometric analysis of lumbosacral canal in human foetuses
publisher	Sociedad Chilena de Anatomía
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300034
work_keys_str_mv	AT sumayya morphometricanalysisoflumbosacralcanalinhumanfoetuses AT faruqinafisa morphometricanalysisoflumbosacralcanalinhumanfoetuses AT ansarimohdsalahuddin morphometricanalysisoflumbosacralcanalinhumanfoetuses AT ghausfarah morphometricanalysisoflumbosacralcanalinhumanfoetuses
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Morphometric Analysis of Lumbosacral Canal in Human Foetuses

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