Body CT protocols

Question 1

SBO

Answer 1

IV only

** NEVER oral, esp if multiple dilated SB loops on AAS b/c masks lack of wall enh and has risk of aspiration

Question 2

Partial SBO/Ileus vs complete

Answer 2

Still, IV only…

but if pt already had oral, can bring pt back for delays to see if contrast passes distally

Question 3

POD7 for partial colectomy

Answer 3

IV and Rectal

** Rectal to challenge the anastomosis!

** IV to r/o abscess

Question 4

Fluid collection in pelvis

Answer 4

Bladder vs. collection

• • Look at sag to ID fat plane
• • Have team place Foley and repeat scan and/or get delays (if IV given)

Question 5

Recent prostatectomy w fluid collection on CT

Answer 5

Get delays if IV given!

Question 6

Recent pelvic surgery

Answer 6

Triple w DELAYS:

IV w delays for ureter/bladder injury
Oral r/o abscess
Rectal r/o enterotomy

Question 7

Fourniers

Answer 7

Pelvis, but continue through MID-THIGHS!

Same for any pathology below symphysis:
-groin hemorrhage p-cath
-lrg hernia
-scrotal process
... etc.

Question 8

Poor image quality

Answer 8

• Check slice thickness, dont read thins

- Send thick recons if needed!

Question 9

Bladder injury post-Foley

Answer 9

-Cystogram, but someone else must place Foley

Question 10

Filling defect seen in bladder

Answer 10

• Check for clear enhancement (same as muscle)

- If indet, get prone delays

Question 11

PV thrombus

Answer 11

3 min delays to avoid mixing artifact