Abdominal imaging
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We investigated whether limited abdominal magnetic resonance imaging (MRI) is as effective as transabdominal ultrasound (US) in evaluating patients presenting with acute right upper quadrant pain. ⋯ Limited MRI is equivalent to US in diagnosing gallstones, gallbladder wall thickening, pericholecystic fluid, and acute cholecystitis in patients presenting with symptoms of acute right upper quadrant pain. Especially in sonographically challenging patients, limited MRI may provide a faster, easier method of diagnosis.