Unilateral Pectoralis Minimus Muscle: A Case Report M迆sculo Pectoralis Minimus Unilateral: Reporte de caso

作者：Rajalakshmi Rai; Anu V Ranade; Latha V Prabhu; Prakash

来源：International Journal of Morphology, 2008.

• Variacion muscular
• Anatomia
• Musculos pectorales
• Muscle variation
• Anatomy
• Pectoral muscles

Presence of additional muscles in the pectoral region has often been reported. We report about the presence of Pectoralis Minimus muscle, in a male cadaver. It was present deep to the pectoralis major muscle and superomedial to the pectoralis minor muscle. The variant was closely related to the branches of thoracoacromial vessels where one of the branches was passing between the pectoralis minor muscle and the variant muscle. Hyperabduction of the arm may compress these vessels giving rise to certain vascular symptoms. Also these variations should be borne in mind during certain surgical procedures in the pectoral region. Presencia de m迆sculos supernumerarios en la regi車n pectoral han sido reportados. En un cad芍ver de un hombre se describe la presencia de un m迆sculo Pectoralis Minimus. El m迆sculo se localizaba profundo al m迆sculo pectoral mayor y superomedial al m迆sculo pectoral menor. La variaci車n se relacionaba con las ramas de los vasos toracoacromiales donde una de las ramas pasaba entre el m迆sculo pectoral menor y la variaci車n muscular. La hiperabducci車n del brazo puede comprimir estos vasos provocando s赤ntomas vasculares. Estas variaciones se deben tener en cuenta durante los procedimientos quir迆rgicos en la regi車n pectoral.