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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Lateral Internal Thoracic Artery.

Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System

Lateral Internal Thoracic Artery.

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed


Image of lateral internal thoracic artery

Sd, Right subclavian artery; mmi, internal thoracic artery; mml, lateral thoracic artery.

The internal thoracic artery may give rise to a lateral internal thoracic artery as it enters the thorax. The lateral internal thoracic runs about midway between the spine and sternum or somewhat forward; it spans up to six intercostal spaces and anastomoses with intercostal arteries of those spaces. A lateral internal thoracic artery may also arise from the costocervical trunk, thyrocervical trunk, or ascending cervical. The possibility of the existence of this vessel must be remembered when paracentesis is performed.

Henle, J. Handbuch der Systematischen Anatomie des Menschen, 3rd Ed. V. Wilhelm Engelmann, Leipzig 1888.

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