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Morfometría de los pedículos vertebrales: un exhautivo estudio anatómico en la región lumbar / Morphometry of vertebral pedicles: a comprehensive anatomical study in the lumbar region
Prabhu, Latha V; Vadgaonkar, Rajanigandha; Pai, Mángala M; Ranade, Anu V; Singh, Gajendra.
  • Prabhu, Latha V; Kasturba Medical College. Centre for Basic Sciences. Department of Anatomy. Mangalore. IN
  • Vadgaonkar, Rajanigandha; Kasturba Medical College. Centre for Basic Sciences. Department of Anatomy. Mangalore. IN
  • Pai, Mángala M; Kasturba Medical College. Centre for Basic Sciences. Department of Anatomy. Mangalore. IN
  • Ranade, Anu V; Kasturba Medical College. Centre for Basic Sciences. Department of Anatomy. Mangalore. IN
  • Singh, Gajendra; Bañaras Hindu University. Institute of Medical Sciences. Department of Anatomy. Varanasi. IN
Int. j. morphol ; 25(2): 393-406, jun. 2007. ilus, graf
Article in Spanish | LILACS | ID: lil-495924
ABSTRACT
This comprehensive anatomical study on bones and X-rays regarding pedicles of lumbar vertebrae was performed in two parts. In the first part of the present work direct gross measurements of 3 different diameters (v, d, and 1) of both the pedicles of LI to L5 vertebrae (200 male and 200 female) were recorded through sliding vernier caliper. In the second part plain anteroposterior radiographs of the lumbar spine from 500 individuals (250 males and 250 females) were collected, and divided in 6 age groups and 2 different diameters (t and h) were recorded. The minimum horizontal diameter (d) of both the pedicles increased from LI to L5. Whereas, the vertical height (v) of both the pedicles increased from LI to L2, decreased from L2 to L3 and increased from L3 to L5. The anteroposterior length (1) increased bilaterally from LI to L2 and decreased from L2 to L5. All the aforementioned parameters were greater in male than corresponding vertebrae of female. Same trends were confirmed by the radiological study. The maximum horizontal diameter (t) of pedicles on both sides of vertebrae was significantly greater in females in less than 20 years of subjects, due to early pubertal growth spurt, whereas it was significantly greater in males in rest of all the age groups at all segments of vertebral spine. The maximum vertical height (h) of both the pedicles was significantly greater in males of age groups greater than 30 years from LI to L5.
RESUMEN
Este estudio sobre huesos y radiografías del pedículo de las vértebras lumbares fue realizado en dos partes. En la primera se midieron directamente con un caliper, 3 parámetros (v, d, y 1) en los pedículos de Ll a L5 (200 casos de sexo femenino y 200 de sexo masculino). En la segunda parte, se recolectaron 500 radiografías anteroposteriores (250 de hombres y 250 de mujeres) y se dividieron en 6 grupos etarios, registrándose dos diferentes diámetros (t y h). El diámetro horizontal menor se incrementó de Ll a L5 mientras que la altura vertical (v) de ambos pedículos de Ll a L2, decreció de L2 a L3 y se incrementó de L3 a L5. La longitud anteroposterior (1) se incrementó bilateralmente de Ll a L2 y decreció de L2 a L5. Todos los parámetros mencionados fueron mayores en el hombre que en la mujer. Los mismos se confirmaron en el estudio radiográfico. El diámetro horizontal máximo (t) de los pedículos de ambos lados fue significativamente mayor en mujeres con menos de 20 años debido a un temprano crecimiento acelerado en la pubertad mientras que, fue significativamente mayor en los hombres en todos los grupos etarios, en la totalidad de las vértebras. La altura vertical máxima de ambos pedículos fue significativamente mayor en los hombres del grupo mayor de 30 años desde Ll a L5.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Spine / Anthropometry / Lumbar Vertebrae Limits: Female / Humans / Male Language: Spanish Journal: Int. j. morphol Journal subject: Anatomy Year: 2007 Type: Article Affiliation country: India Institution/Affiliation country: Bañaras Hindu University/IN / Kasturba Medical College/IN

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Full text: Available Index: LILACS (Americas) Main subject: Spine / Anthropometry / Lumbar Vertebrae Limits: Female / Humans / Male Language: Spanish Journal: Int. j. morphol Journal subject: Anatomy Year: 2007 Type: Article Affiliation country: India Institution/Affiliation country: Bañaras Hindu University/IN / Kasturba Medical College/IN