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Morphometric study of supratrochlear foramen of the humerus related with clinical implications in a thai population / Estudio morfométrico del foramen supratroclear del húmero relacionado con implicaciones clínicas en una población tailandesa
Boonchan, Sorrathorn; Boonrugsa, Kamonlapob; Charumporn, Thanapat; Navic, Pakorn; Singsuwan, Phruksachat; Mahakkanukrauh, Pasuk.
  • Boonchan, Sorrathorn; Chiang Mai University. Faculty of Medicine. Chiang Mai. TH
  • Boonrugsa, Kamonlapob; Chiang Mai University. Faculty of Medicine. Chiang Mai. TH
  • Charumporn, Thanapat; Chiang Mai University. Faculty of Medicine. Chiang Mai. TH
  • Navic, Pakorn; Chiang Mai University. Faculty of Medicine. Department of Anatomy. Chiang Mai. TH
  • Singsuwan, Phruksachat; Chiang Mai University. Faculty of Medicine. Department of Anatomy. Chiang Mai. TH
  • Mahakkanukrauh, Pasuk; Chiang Mai University. Faculty of Medicine. Department of Anatomy. Chiang Mai. TH
Int. j. morphol ; 40(4): 1048-1053, 2022. ilus, tab
Article in English | LILACS | ID: biblio-1405245
ABSTRACT

SUMMARY:

Supratrochlear foramen (STF) is a perforation of bony wall that separates the olecranon fossa and the coronoid fossa. Its incidence varies among different races. The aim of this study was to investigate the prevalence and morphometry of supratrochlear foramen among Thai population. A total of 640 dry humeri from 320 skeletons, 160 paired humeri of each sex, and known age were collected to study the prevalence of STF. The prevalence is reported categorized by sex and the side of humerus to identify whether there is a correlation. STF is categorized by shape and their metrics measured with digital vernier calipers. The ratio of transverse diameter (TD) and distance from the medial epicondyle to the lateral epicondyle (DMLE) were calculated to represent the size of STF. From 640 humeri, 404 cases were translucent septum, 133 cases were opaque septum, and 103 cases were recorded as foramen. In this study, the majority of supratrochlear foramen were oval-shaped, followed by irregular-shaped and round-shaped foramen. The ratio between TD and DMLE was 0.09±0.44 mm on the right and 0.08±0.41 mm on the left which was not significantly different. The findings can be used to understand the variation and location of supratrochlear foramen to help radiologists and orthopedic surgeons to avoid misdiagnosis of cystic lesion at the distal humerus.
RESUMEN
RESUMEN El foramen supratroclear (FST) es una perforación de la pared ósea que separa la fosa olecraneana y la fosa coronoides. Su incidencia varía entre las diferentes razas. El objetivo de este estudio fue investigar la prevalencia y la morfometría del foramen supratroclear entre la población tailandesa. Se recolectaron un total de 640 húmeros secos de 320 esqueletos, 160 húmeros emparejados de cada sexo y edad conocida para estudiar la prevalencia de FST. Se reportó la prevalencia categorizada por sexo y lado del húmero para identificar si existe correlación. FST se clasificó por forma y sus métricas se midieron con calibradores vernier digitales. Se calculó la relación del diámetro transversal (DT) y la distancia desde el epicóndilo medial al epicóndilo lateral (DEML) para representar el tamaño de STF. De 640 húmeros, 404 casos presentaban tabique translúcido, 133 casos tabique opaco y 103 casos se registraron como foramen. En este estudio, la ma- yoría de los forámenes supratrocleares tenían forma ovalada, seguidos de los forámenes de forma irregular y redonda. La relación entre DT y DEML fue de 0,09 ± 0,44 mm en el lado derecho y de 0,08 ± 0,41 mm en el lado izquierdo, no existiendo diferencias estadísticamente significativas. Los resultados pueden ser útil para comprender la variación y la ubicación del foramen supratroclear y ayudar a los radiólogos y cirujanos ortopédicos a evitar un diagnóstico erróneo de lesión quística en el húmero distal.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Humerus Type of study: Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Thailand Institution/Affiliation country: Chiang Mai University/TH

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Full text: Available Index: LILACS (Americas) Main subject: Humerus Type of study: Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Thailand Institution/Affiliation country: Chiang Mai University/TH