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Anatomical characteristics of infra-lamina ridge in Chinese population / Características anatómicas del puente infra-laminar en la población china
Li, Xiao-he; Cai, Yong-qiang; Wang, Xin; Gao, Shang; Li, Zhi-jun.
  • Li, Xiao-he; Inner Mongolia Medical University. Basic Medical College. Department of Anatomy. Inner Mongolia. CN
  • Cai, Yong-qiang; Inner Mongolia Medical University. Basic Medical College. Department of Anatomy. Inner Mongolia. CN
  • Wang, Xin; Inner Mongolia Medical University. Basic Medical College. Department of Anatomy. Inner Mongolia. CN
  • Gao, Shang; Inner Mongolia Medical University. Basic Medical College. Department of Anatomy. Inner Mongolia. CN
  • Li, Zhi-jun; Inner Mongolia Medical University. Basic Medical College. Department of Anatomy. Inner Mongolia. CN
Int. j. morphol ; 32(2): 583-588, jun. 2014. ilus
Article in English | LILACS | ID: lil-714313
ABSTRACT
The aim of our study was to observe the occurrence rate and morphological characteristics of Infra-Lamina ridge (ILR) in Chinese population and provide a comprehensive reference for its clinical implication. Vertebrae columns of 82 sets of Chinese adult skeletons were collected. The shape of ILR was classified into three types; the occurrence of it in different sides and sexes were counted. The length, width, thickness of ILR were measured using a caliper with 0.02 mm accuracy. The ILR was usually found to occur from C7 to L5, with its frequency higher from T8 to 12, and highest at T10being up to 80.5%. There was significant statistical difference to the occurrence rate by side, sex and vertebral level. The largest values in its length and width were from T9 to T12. The ILR at T10 was largest in dimensions, being 4.1±2.1 mm in length and 4.4±2.3 mm in width. The ILR is more frequently detected in female and at the left side, at the lower thoracic spine with a larger dimension.
RESUMEN
El objetivo de nuestro estudio fue observar la tasa de incidencia y características morfológicas del puente infra-laminar (PIL) en la población china y ofrecer una referencia completa por su implicación clínica. Se utilizaron 82 series de vértebras pertenecientes a esqueletos adultos chinos. La forma del PIL se clasificó en tres tipos; además se cuantificó la presenciade la misma en diferentes lados y sexos. La longitud, ancho y grosor del PIL se midieron utilizando un caliper con 0,02 mm de precisión. Se encontró que el PIL por lo general se producía desde C7 a L5 , con una mayor frecuencia entre T8 y T12, la más alta en T10 donde alcanzó el 80,5%. No hubo diferencia estadísticamente significativa en la tasa de ocurrencia según lado, sexo y el nivel de la vértebra. Los mayores valores de longitud y ancho fueron de T9 a T12. El PIL en T10 tuvo las mayores dimensiones, con una longitud de 4,1±2,1 mm y ancho de 4,4±2,3 mm. El PIL se detecta con mayor frecuencia en mujeres y la lado izquierdo, con una mayor dimensión en la columna torácica inferior.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Spine / Ossification, Heterotopic / Ligamentum Flavum Type of study: Incidence study Limits: Adult / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2014 Type: Article Affiliation country: China Institution/Affiliation country: Inner Mongolia Medical University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Spine / Ossification, Heterotopic / Ligamentum Flavum Type of study: Incidence study Limits: Adult / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2014 Type: Article Affiliation country: China Institution/Affiliation country: Inner Mongolia Medical University/CN