Absence of musculocutaneous nerve associated with the presence of an accessory head of the biceps brachii muscle: report of a bilateral case and its clinical implications

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dc.catalogadordfo
dc.contributor.authorFarfán Cabello, Emilio Erasmo
dc.contributor.authorAraya, Felipe
dc.contributor.authorBarroilhet Castillo, Manuel
dc.contributor.authorCornejo, Francisco
dc.contributor.authorGutierrez, Agustin
dc.contributor.authorVergara, Matias
dc.contributor.authorInzunza Hernández, Oscar Alejandro
dc.contributor.authorSanchez, Natalia
dc.contributor.authorTramolao Osses, Jaritza Andrea
dc.contributor.authorInostroza, Veronica
dc.date.accessioned2024-11-20T15:09:11Z
dc.date.available2024-11-20T15:09:11Z
dc.date.issued2023
dc.description.abstractThe anatomical variants of the biceps brachii muscle (BBM) are frequent, mostly unilaterally than bilaterally, and are associated with supernumerary muscle bellies, the total absence of the muscle or one of its heads, and variations in the points of origin and insertion. In the same way, the variants of the musculocutaneous nerve (MCN) can include alterations in its course, number of branches, or anatomical relations, whereas its absence is considered an atypical variation. The aim of this work was to report the absence of musculocutaneous nerve associated with the presence of one accessory head of the biceps brachii muscle. Dissection of a female cadaver, fixed in 10% buff- ered formaldehyde, which did not present previous surgeries in the studied area was performed. Variations were noted in both upper limbs related to accessory muscle bellies and change in innervation. Anatomical relations of muscles and nerves were determined by following proximal to distal ends, relation, vascularization, and innervation pattern. The absence of MCN associated with the presence of one accessory head of the BBM were found bilaterally. These anatomical variations are atypical. Clinically, these variations can produce compressive symptoms that could generate confusing diagnostics and conduce to unnecessary procedures on the arm, inducing iatrogenic actions.
dc.format.extent6 páginas
dc.fuente.origenWOS
dc.identifier.doi10.52083/ZLOH6744
dc.identifier.eissn2340-311X
dc.identifier.issn1136-4890
dc.identifier.urihttps://doi.org/10.52083/ZLOH6744
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/88615
dc.identifier.wosidWOS:001104153300012
dc.information.autorucEscuela de Medicina; Farfan Cabello Emilio Erasmo; 0000-0002-8819-2945; 1011559
dc.information.autorucEscuela de Medicina; Barroilhet Castillo Manuel; S/I; 1190735
dc.information.autorucEscuela de Medicina; Inzunza Hernandez Oscar Alejandro; 0009-0004-4614-6811; 99951
dc.information.autorucEscuela de Medicina; Tramolao Osses Jaritza Andrea; S/I; 1019661
dc.issue.numero6
dc.language.isoen
dc.nota.accesoContenido parcial
dc.pagina.final772
dc.pagina.inicio767
dc.revistaEuropean Journal of Anatomy
dc.rightsacceso restringido
dc.subjectMusculocutaneous nerve
dc.subjectAbsence
dc.subjectBiceps brachii muscle
dc.subjectAccessory head
dc.subjectMusculocutaneous nerve
dc.subjectAbsence
dc.subjectBiceps brachii muscle
dc.subjectAccessory head
dc.subject.ddc610
dc.subject.ods03 Good health and well-being
dc.subject.odspa03 Salud y bienestar
dc.titleAbsence of musculocutaneous nerve associated with the presence of an accessory head of the biceps brachii muscle: report of a bilateral case and its clinical implications
dc.typeartículo
dc.volumen27
sipa.codpersvinculados1011559
sipa.codpersvinculados1190735
sipa.codpersvinculados99951
sipa.codpersvinculados1019661
sipa.trazabilidadWOS;2024-01-27
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