Celiac Trunk

"The celiac trunk (CT) takes origin from the antero-lateral surface of the abdominal aorta. Altogether, there were five branches, including three classic branches of CT. The left phrenic artery (LPA), right phrenic artery (RPA) was the first two branches of the CT. The remaining three branches were left gastric artery (LGA), splenic artery (SA), and common hepatic artery (CHA). The classic description of normal celiac trunk anatomy is that the main trunk trifurcates into the left gastric, splenic and common hepatic arteries, additional branches of the coeliac trunk other than its usual branches are referred to as collaterals. We found Inferior phrenic arteries as collateral branches. The celiac trunk is the first ventral branch of abdominal aorta, arises just below the aortic hiatus at the level of T12/L1 vertebral body. It is 1.5-2 cm long and passes almost horizontally forwards and divides into the left gastric, common hepatic and splenic arteries. Celiac trunk supplies the parts of the foregut. Variations in the branching pattern of the celiac trunk are therefore having immense surgical importance. The celiacomesenteric system develops from six sets of paired left and right vessels -subphrenic, upper ventricular, middle ventricular, lower ventricular, upper intestinal and lower intestinal arteries- which are modified during the later stages of fetal development. Collaterals may be the result of either the persistence of some parts of the longitudinal channels normally disappear or disappearance of parts that normally persist. The knowledge of the arterial anatomic variations is very important for the clinical, radiological and surgical diagnosis. Regarding inferior phrenic arteries, which irrigate the diaphragm, it is known that they vary in relation to their origin. The purpose of the present study is to verify these variations. (K. Krishna Chaitanya, HR. Sharada and D. Suseelamma- Pentafurcation of the Celiac Trunk)."

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Last date updated on September, 2024