• Margarita V Revzin, Leslie M Scoutt, Joseph G Garner, and Christopher L Moore.
• Department of Diagnostic Radiology and Biomedical Imaging, Yale University School of Medicine, New Haven, Connecticut, USA.
• J Ultrasound Med. 2017 Oct 1; 36 (10): 1975-1985.

AbstractAcute right upper quadrant (RUQ) pain is a common presenting symptom in emergency departments and outpatient medical practices, and is most commonly attributable to biliary and hepatic pathology. Ultrasound should be used as a first-line imaging modality for the diagnosis of gallstones and cholecystitis, as it allows the differentiation of medical and surgical causes of upper abdominal pathology, and in many circumstances is sufficient to guide patient management. Knowledge of strengths and limitations of ultrasound in the evaluation of RUQ is paramount in correct diagnosis. A spectrum of RUQ pathology for which a RUQ ultrasound examination should reasonably be considered as the initial imaging modality of choice will be reviewed.© 2017 by the American Institute of Ultrasound in Medicine.

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