Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population

The morphology and morphometry of the distal articular surface of the lunate exhibits inter-population variations. They are of clinical importance to hand surgeons due to their influence on the occurrence of proximal pole arthrosis which is a cause of ulnar-side wrist pain. The objective of the stud...

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Autores principales:	Muthoka,Johnstone M, Kaisha,Wycliff O, Gikenye,Gachambira, Ogengo,Julius A
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2016
Materias:	Hand Lunate Wrist Kenyan
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300013
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spelling	oai:scielo:S0717-950220160003000132016-11-17Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan PopulationMuthoka,Johnstone MKaisha,Wycliff OGikenye,GachambiraOgengo,Julius A Hand Lunate Wrist Kenyan The morphology and morphometry of the distal articular surface of the lunate exhibits inter-population variations. They are of clinical importance to hand surgeons due to their influence on the occurrence of proximal pole arthrosis which is a cause of ulnar-side wrist pain. The objective of the study was to determine the morphology and morphometry of the distal articular surface of the lunate bone in an adult Kenyan population. A descriptive cross-sectional study at the Department of Human Anatomy, University of Nairobi. Fifty-six human hands obtained for routine dissection were used. The morphology of the distal articular surface of the lunate was classified as either Type I or Type II depending on the absence or presence of a medial facet for articulation with the hamate respectively. The width of the wrists and of the medial facet in Type II lunates was measured with SOMETTM CN-25 1234 vernier calipers (accurate to 1mm). Photomacrographs of representative lunate were taken. Data were analyzed using SPSS version 17.0. The Pearson correlation test was used to check for any correlations. Type II lunate morphology was more common with a prevalence of 34 (61 %) while 19 (34 %) were Type I. The mean width of wrists with Type I lunate was 41.1±2.8 mm while those with Type II had a mean width of 46.1±4.3 mm. The mean width of the medial facet in lunate type II was 4.4±1.4 mm. Lunotriquetral fusion was demonstrated in 3 (5 %) wrists. Prevalence of Type II lunate was higher than Type I. Wrists with a Type II lunate were wider than those with Type I. There was no correlation between the width of the wrist and the width of the medial facet of the lunate.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.34 n.3 20162016-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300013en10.4067/S0717-95022016000300013
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Hand Lunate Wrist Kenyan
spellingShingle	Hand Lunate Wrist Kenyan Muthoka,Johnstone M Kaisha,Wycliff O Gikenye,Gachambira Ogengo,Julius A Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
description	The morphology and morphometry of the distal articular surface of the lunate exhibits inter-population variations. They are of clinical importance to hand surgeons due to their influence on the occurrence of proximal pole arthrosis which is a cause of ulnar-side wrist pain. The objective of the study was to determine the morphology and morphometry of the distal articular surface of the lunate bone in an adult Kenyan population. A descriptive cross-sectional study at the Department of Human Anatomy, University of Nairobi. Fifty-six human hands obtained for routine dissection were used. The morphology of the distal articular surface of the lunate was classified as either Type I or Type II depending on the absence or presence of a medial facet for articulation with the hamate respectively. The width of the wrists and of the medial facet in Type II lunates was measured with SOMETTM CN-25 1234 vernier calipers (accurate to 1mm). Photomacrographs of representative lunate were taken. Data were analyzed using SPSS version 17.0. The Pearson correlation test was used to check for any correlations. Type II lunate morphology was more common with a prevalence of 34 (61 %) while 19 (34 %) were Type I. The mean width of wrists with Type I lunate was 41.1±2.8 mm while those with Type II had a mean width of 46.1±4.3 mm. The mean width of the medial facet in lunate type II was 4.4±1.4 mm. Lunotriquetral fusion was demonstrated in 3 (5 %) wrists. Prevalence of Type II lunate was higher than Type I. Wrists with a Type II lunate were wider than those with Type I. There was no correlation between the width of the wrist and the width of the medial facet of the lunate.
author	Muthoka,Johnstone M Kaisha,Wycliff O Gikenye,Gachambira Ogengo,Julius A
author_facet	Muthoka,Johnstone M Kaisha,Wycliff O Gikenye,Gachambira Ogengo,Julius A
author_sort	Muthoka,Johnstone M
title	Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
title_short	Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
title_full	Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
title_fullStr	Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
title_full_unstemmed	Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population
title_sort	morphology and morphometry of the distal articular surface of lunate bone in a kenyan population
publisher	Sociedad Chilena de Anatomía
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300013
work_keys_str_mv	AT muthokajohnstonem morphologyandmorphometryofthedistalarticularsurfaceoflunateboneinakenyanpopulation AT kaishawycliffo morphologyandmorphometryofthedistalarticularsurfaceoflunateboneinakenyanpopulation AT gikenyegachambira morphologyandmorphometryofthedistalarticularsurfaceoflunateboneinakenyanpopulation AT ogengojuliusa morphologyandmorphometryofthedistalarticularsurfaceoflunateboneinakenyanpopulation
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Morphology and Morphometry of the Distal Articular Surface of Lunate Bone in a Kenyan Population

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