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Int. j. morphol ; 33(4): 1559-1562, Dec. 2015. ilus
Article in English | LILACS | ID: lil-772354

ABSTRACT

Variations of the terminal branches of the brachial plexus in the upper limb are abundant and frequently have been reported. But connection between its radial and ulnar nerves at humeral level is very rare. During routine dissection of the right arm of a 75-year-old male cadaver in the Department of Anatomy of Birjand University of Medical Sciences (BUMS), in Iran, we observed a connection between radial and ulnar nerves, and from the literature reviewed, we found only two cases that had been reported previously, one of them was unilateral and the other bilateral. Awareness of such variations are very important for surgeons and diminish the possible complication of regional anesthesia and surgical procedures, hence, we decided to report it.


Las variaciones de los ramos terminales del plexo braquial en el miembro superior son abundantes y reportadas con frecuencia. Sin embargo, la conexión entre los nervios radial y ulnar a nivel humeral es muy rara. Durante la disección rutinaria de un brazo derecho en un cadáver de sexo masculino de 75 años, en el Departamento de Anatomía de la Birjand University of Medical Sciences (BUMS) en Irán, se observó una relación entre los nervios radial y ulnar. En la literatura, encontramos sólo dos casos que habían sido reportados previamente, uno bilateral y otro unilateral. Conocer estas variaciones es de importancia para los cirujanos, así como para disminuir posibles complicaciones en la colocación de anestesia regional y procedimientos quirúrgicos.


Subject(s)
Humans , Male , Aged , Anatomic Variation , Arm/innervation , Radial Nerve/anatomy & histology , Ulnar Nerve/anatomy & histology , Brachial Plexus/anatomy & histology , Cadaver
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