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CT ABDOMEN/PELVIS ANATOMY USC/SOM Department of Radiology Kirk Peterson, MD Class of 2004 PowerPoint Presentation
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slide1

CT ABDOMEN/PELVIS ANATOMY

USC/SOM

Department of Radiology

Kirk Peterson, MD

Class of 2004

slide2

In this sequence of images, we will label the abdominal vasculature. The CT images are 5mm slices with soft tissue window settings. IV and oral contrast have been administered which causes the vessels and GI tract to appear hyperdense (white). Some images will contain labels to assist with tracking the vessels. Practice paging up and down to trace vessel’s origin and termination. It is best to view these images in the movie mode IMAGES ARE VIEWED AS LOOKING FROM THE FEETRIGHT LEFT

slide3

Follow the IV contrast filled Aorta as we descend caudally. Branches and points

of interest will be noted.

slide8

This is an excellent image of theright, middle and left hepatic veins draining into the Inferior

Vena Cava.Don’t confuse this structure with the IVC, this is the esophagus at the level of the

Lower esophageal sphincter, page up and down to confirm this.

slide18

Proper Hepatic Artery. Splenic Vein

Portal vein

Adrenal

Glands

slide19

You can see the Celiac artery starting to branch from the

Aorta. You can follow this down in the next four images

Proper Hepatic Artery is labeled in the upper right The splenic

vein and artery are in the lower left

slide20

Proper Hepatic Artery and Splenic Artery

(the splenic artery is the circle).

Splenic Vein

slide25

Renal Veins emptying into the IVC. We also see the right renal artery branching

off the Aorta, follow it down till you see it enter the right kidney. The Superior

Mesenteric Vein is outlined on the top of this image. If you follow the SMV up, you

will see it empty into the Portal Vein.

slide26

Here we see the right and left renal vein entering into the Inferior Vena Cava. We

Also see the left renal artery branching off the aorta and heading toward the left

kidney. Page up and down to trace these vessels.

slide31

Transverse Colon

Small Bowell

slide42

Note inferior mesenteric artery emerging from aorta

Inferior mesenteric vein extends cephalad to join smv.

slide48

Aorta bifurcates into common illiac arteries

Appendix is noted coiling in Rt. Lower quadrant

Note air in lumen on adjacent scans

Psoas muscles