GI Radiology Ditchek Flashcards
1
Q
Pneumatosis
A
Air in wall of bowel; Ominous/impending sign
2
Q
Test for ruling out free air
A
Standing XR -> Look for crescent of air between liver + Diaphragm
3
Q
Rule out free air in immbole patient
A
XR in left decubitus
4
Q
Test of Choice SBO
A
CT
5
Q
Test of Choice for Crohns
A
Fluoroscopy Small Bowl series
6
Q
Video Esophagram
A
Swallow-study; stroke, etc
7
Q
Test of Choice for Acute Abdomen
A
Abdominal CT
8
Q
Acute Appendicitis Criteria
A
- Appendicolith (Obstruction at base)
- Unopacified (No air)
- Distended>6 mm
- Thick enhanced wall (Swelling)
- Assymetic cecal thickening
- PEri-appendiceal stranding (“Haziness”)
9
Q
R Flank Pain
A
CT No Contrast - Rule out Kidney Stone
10
Q
Acute Diverticulitis CT
A
- Translucent Bubble w/ tiny microperforation; No need to to take to surgery;
11
Q
Role of CT in acute pancreatitis
A
Look for complication:
- Necrosis
- Pseudocyst
12
Q
Test of Choice Gallstone
A
Ultrasound
13
Q
Back-up test for failed Ultrasound for Gall Bladder
A
Nuclear Scan
14
Q
MRCP
A
- Heavily Weighted T2 MRI
- Fluid/Bile very intense
- Used for Stones in CBD if not detected on ultrasound
15
Q
TOC Fatty Liver
A
Noncontrast CT
16
Q
Liver Lesion Characterization
A
MRI w/ + W/out contrast
