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The Pseudokidney Sign¹

¹ From the Department of Radiology, Medical College of Virginia of Virginia Commonwealth University, Main Hospital 3rd Fl, 401 N 12th St, Richmond, VA 23298-0615. Received March 13, 1998; revision requested April 24; revision received June 4; accepted June 24. Address reprint requests to the author.

View larger version (148K): [in a new window]   Figure 1. US scan in the sagittal plane demonstrates the pseudokidney sign (arrows) of intussusception anteriorly and the longitudinal axis of the right kidney (arrowheads) posteriorly. White dot in upper left corner indicates that the transducer is oriented toward the patient's head.

View larger version (148K): [in a new window]   Figure 2. Transverse US scan demonstrates the crescent-in-doughnut appearance (long arrow) of intussusception anteriorly and the transverse middle pole of the right kidney (arrowhead) posteriorly. The liver (short arrow) also is seen adjacent to the intussusception and the kidney. White dot in upper left corner indicates that the transducer is oriented toward the patient's right side.