Persistent median artery inside the carpal tunnel

The median artery is usually a transient vessel during the embryonic period. However, this artery can persist in adult life as the persistent median artery. This paper aims to describe this relevant anatomical variation for surgeons, review the literature and discuss its clinical implications. A rou...

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Main Authors: João Gabriel Alexander, Matheus Coelho Leal, Josemberg da Silva Baptista
Format: Article
Language:English
Published: University of São Paulo 2021-08-01
Series:Autopsy and Case Reports
Subjects:
Online Access:https://www.revistas.usp.br/autopsy/article/view/187830
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author João Gabriel Alexander
Matheus Coelho Leal
Josemberg da Silva Baptista
author_facet João Gabriel Alexander
Matheus Coelho Leal
Josemberg da Silva Baptista
author_sort João Gabriel Alexander
collection DOAJ
description The median artery is usually a transient vessel during the embryonic period. However, this artery can persist in adult life as the persistent median artery. This paper aims to describe this relevant anatomical variation for surgeons, review the literature and discuss its clinical implications. A routine dissection was performed in the upper left limb of a male adult cadaver of approximately 50-60 years of age, embalmed in formalin 10%. The persistent median artery was identified emerging as a terminal branch of the common interosseous artery with a path along the ulnar side of the median nerve. In the wrist, the persistent median artery passed through the carpal tunnel, deep in the transverse carpal ligament. The dissection in the palmar region revealed no anastomosis with the ulnar artery forming the superficial palmar arch. The common digital arteries emerged from the ulnar artery and the persistent median artery. Such variation has clinical and surgical relevance in approaching carpal tunnel syndrome and other clinical disorders in the wrist.
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spelling doaj.art-fa282b9fad3a47d3831812cab74f052d2022-12-21T20:06:12ZengUniversity of São PauloAutopsy and Case Reports2236-19602021-08-01104Persistent median artery inside the carpal tunnelJoão Gabriel Alexander0 Matheus Coelho Leal1Josemberg da Silva Baptista2Universidade Federal do Espírito Santo (UFES), Departamento de Morfologia, Laboratório de Estudos em Morfologia Aplicada (LEMA), Vitória, ES, Brasil.Universidade Federal do Espírito Santo (UFES), Departamento de Morfologia, Laboratório de Estudos em Morfologia Aplicada (LEMA), Vitória, ES, Brasil.Universidade Federal do Espírito Santo (UFES), Departamento de Morfologia, Laboratório de Estudos em Morfologia Aplicada (LEMA), Vitória, ES, Brasil.The median artery is usually a transient vessel during the embryonic period. However, this artery can persist in adult life as the persistent median artery. This paper aims to describe this relevant anatomical variation for surgeons, review the literature and discuss its clinical implications. A routine dissection was performed in the upper left limb of a male adult cadaver of approximately 50-60 years of age, embalmed in formalin 10%. The persistent median artery was identified emerging as a terminal branch of the common interosseous artery with a path along the ulnar side of the median nerve. In the wrist, the persistent median artery passed through the carpal tunnel, deep in the transverse carpal ligament. The dissection in the palmar region revealed no anastomosis with the ulnar artery forming the superficial palmar arch. The common digital arteries emerged from the ulnar artery and the persistent median artery. Such variation has clinical and surgical relevance in approaching carpal tunnel syndrome and other clinical disorders in the wrist.https://www.revistas.usp.br/autopsy/article/view/187830Anatomy, regionalBiological Variation, IndividualCarpal Tunnel SyndromeNerve Compression Syndromes
spellingShingle João Gabriel Alexander
Matheus Coelho Leal
Josemberg da Silva Baptista
Persistent median artery inside the carpal tunnel
Autopsy and Case Reports
Anatomy, regional
Biological Variation, Individual
Carpal Tunnel Syndrome
Nerve Compression Syndromes
title Persistent median artery inside the carpal tunnel
title_full Persistent median artery inside the carpal tunnel
title_fullStr Persistent median artery inside the carpal tunnel
title_full_unstemmed Persistent median artery inside the carpal tunnel
title_short Persistent median artery inside the carpal tunnel
title_sort persistent median artery inside the carpal tunnel
topic Anatomy, regional
Biological Variation, Individual
Carpal Tunnel Syndrome
Nerve Compression Syndromes
url https://www.revistas.usp.br/autopsy/article/view/187830
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AT matheuscoelholeal persistentmedianarteryinsidethecarpaltunnel
AT josembergdasilvabaptista persistentmedianarteryinsidethecarpaltunnel