Abstract
Internal mammary vessels travel parallel to the lateral border of the sternum. The vein divides in two usually at the level of the second rib. Main perforators arise in second and first intercostal space, suitable in some cases for anastomosis. Microsurgical anastomosis can be performed to the proximal or distal end of the internal mammary artery, and the same, due to the lack of valves, can be done in the internal mammary vein. This is especially useful in supercharged flaps, or when two flaps are needed for unilateral breast reconstruction. Internal mammary artery (IMA) and internal mammary vein (IMV) are the recipient vessels of choice in autologous breast reconstruction. The anatomical variability is low, being a safe and constant receptor pedicle. The approach of the vessels in the second intercostal space prevents removal of the costal cartilage, saving time and associated morbidity.
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García-Tutor, E., Alonso, A., Rozen, W. (2016). The Anatomy and Variations of the Internal Thoracic (Internal Mammary) Artery and Implications in Autologous Breast Reconstruction. In: Shiffman, M. (eds) Breast Reconstruction. Springer, Cham. https://doi.org/10.1007/978-3-319-18726-6_7
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DOI: https://doi.org/10.1007/978-3-319-18726-6_7
Publisher Name: Springer, Cham
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