Axial Pelvic CT

• These are axial CT images starting superior and working inferior

• This PowerPoint consists of two sets of images– one labeled with questions, the other not labeled so you can scroll thru them.

• Best viewed as ‘slideshow’ for labeled set

This first image is at the level of the aortic bifurcationand appendix (click to highlight)

Inferior vena cavaInferior

Can you find the inferior vena cava? (click for answer)

What are the structures in green and blue? (please click)

These are the cecum and terminal ileum

This is oral contrast (white) inloops of small bowel.

Can you find the iliac crests bilaterally? (click for answer)

Can you find the psoas muscles bilaterally? (click for answer)

Can you find the right and leftCommon iliac veins? (click for answer)

What are the two structures in red? (click to highlight)

These are the right external and internal Iliac arteries

Can you find the right and left iliacus muscles? (click for answer)

What is being illustrated by the dotted lines? (click to highlight)

These are the Sacroiliac joints

What structures are in red bilaterally? (click to highlight)

These are the Iliopsoas muscles

Can you find the left external iliac artery and vein? (click for answer)

What is the structure in yellow? (click to highlight)

This is the Urinary bladder

What is the air filled structure (black) that is posterior tothe bladder?

This is the rectum

Can you find the piriformis muscles bilaterally? (click for answer)

What are these structures in brown? (Hint: this is a male) (click to highlight)

These are the seminal vesicles

Where is the right femoral head? (click for answer)

Obdurator internus muscles

Can you find the obturator internus muscles bilaterally? (click for answer)

Can you find the rectus abdominus muscles? (click for answer)

What is the structure in brown? (Hint: this is a male) (click to highlight)

This is the prostate

Where is the ischiorectal fossa? (click for answer)

iPubic symphisis

Superficial

Unlabeled CT pelvis

Inferior vena cavaInferior

Obdurator internus muscles

i

Superficial