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Hydronephrosis: noncontrast CT scan

Hydronephrosis: noncontrast CT scan
Transverse (A) and coronal reconstruction (B) from a noncontrast scan showing dilated calyces, pelvis, and proximal ureter on the right side.
CT: computed tomography.
Courtesy of Deborah A Baumgarten, MD, MPH.
Graphic 52536 Version 3.0