Abstract
This study reports the case of a 61-year-old man with right upper quadrant pain who underwent abdominal computed tomography examination. A solid lesion originating from the biliary tract was detected on the images. While evaluating the vascular structures, the splenic artery was seen to directly originate from the abdominal aorta. Retro-aortic left renal vein was also seen on computerised tomography. Splenic artery originating from the abdominal aorta is a rare variation. The retro-aortic left renal vein is a malformation characterized by the presence of a vessel that drains the left renal blood up to the inferior vena cava crossing behind the aortic artery. Such anatomical variations are important for surgeons to be aware of.
Highlights
The coeliac trunk (CT) is the first ventral branch of the abdominal aorta (AA)
This study reports the case of a 61-year-old man with right upper quadrant pain who underwent abdominal computed tomography examination
Retro-aortic left renal vein was seen on computerised tomography
Summary
The coeliac trunk (CT) is the first ventral branch of the abdominal aorta (AA). Just after passing through the aortic hiatus it arises from the AA at the level of T12-L1 vertebrae. It divides into three branches – gastric artery (LGA), splenic artery (SA) and common hepatic artery (CHA) This trifurcation structure was defined by Haller for the first time in 1756 and is called "Tripus Halleri". Prakash et al,(6) reported this as 86% in their recent study, while Chen et al,(7) reported it as 89.8% These studies report the classic trifurcation structure of the CT, some studies report cases where this does not occur.(7 – 11) Chen et al[7] studied the anatomic variations of the CT and hepatic artery in 974 cadavers. Lezzi et al[10] analyzed computerized tomography images for variations of the CT in 555 patients
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