Imaging recommendation · Abdomen · Pelvis

Right upper quadrant pain

Q: What's the alternative imaging for right upper quadrant pain when us equivocal, persistent suspicion?

NM — Hepatobiliary scintigraphy (HIDA) (iv contrast).

Q: What's the alternative imaging for right upper quadrant pain when concern for complication (gangrene, perforation)?

CT — CT Abdomen with IV contrast (iv contrast).

Recommended: Ultrasound Right Upper Quadrant is the preferred imaging study for right upper quadrant pain. First-line for evaluating right upper quadrant pain.

Recommended study

Ultrasound Right Upper Quadrant

US No contrast Preferred Abdomen · Pelvis EmergencyAcute inpatientOutpatient Reviewed 2026-04

First-line for evaluating right upper quadrant pain. Sonographic Murphy sign + gallbladder wall thickening + pericholecystic fluid is highly specific. HIDA scan if US is equivocal.

If the default doesn't apply

US equivocal, persistent suspicion

NM Hepatobiliary scintigraphy (HIDA) IV contrast

Concern for complication (gangrene, perforation)

CT CT Abdomen with IV contrast IV contrast