Plain radiograph of the lower abdomen and pelvis
Expansion
Kidneys, Ureters, Bladder
Purpose
Evaluates urinary system, renal calculi, bowel
Clinical Context
KUB (supine abdominal film) assesses urinary tract, bowel, and pelvis. Radiolucent stones (uric acid, cystine) not visible on KUB - use CT.
Related Terms
- CT KUB:
- Non-contrast CT:
Key Points
- KUB is first-line for suspected renal colic; radiolucent stones may be missed