TY  - JOUR
A1  - ,  
T1  - A rare variant of the internal thoracic (mammary) artery
JO  - Eur. J. Anat.
SN  - 1136-4890
Y1  - 2004
VL  - 8
SP  - 35
EP  - 37
UR  - http://www.eurjanat.com/web/paper.php?id=04010035
KW  - adult
KW  - anatomical variation
KW  - anterior intercostal artery
KW  - artery
KW  - article
KW  - cadaver
KW  - coronary artery bypass graft
KW  - epigastric artery
KW  - female
KW  - human
KW  - human tissue
KW  - internal mammary artery
KW  - musculophrenic artery
KW  - rib cartilage
KW  - sternum
KW  - subclavian artery
KW  - superior epigastric artery
KW  - thorax wall
N2  - The internal thoracic (mammary) artery (ITA) is a branch of the first part of the subclavian artery. It courses downwards in the ventral thoracic wall and terminates in the musculophrenic and superior epigastric arteries. We have observed a rare variant of the right ITA in a female cadaver. The ITA terminated at the level of the second costal cartilage in 2 branches, which anastomosed with each other in a stepladder pattern. The medial branch gave sternal branches and then continued as the superior epigastric artery. The lateral branch gave anterior intercostal arteries and then continued as the musculophrenic artery. Since this artery is increasingly used as bypass graft in coronary artery bypass grafting, this variation of ITA should be borne in mind.
ER  -