A 24-year-old male presented with hypertension following renal transplant. (A) Spectral Doppler sonogram of transplant renal artery at site of anastomosis.

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A 24-year-old male presented with hypertension following renal transplant. (A) Spectral Doppler sonogram of transplant renal artery at site of anastomosis demonstrates focal area of color aliasing (arrowheads) with significantly increased systolic upstroke; elevated PSV (peak systolic velocity of 354 cm/s). (B) Longitudinal sonogram of renal transplant shows parvus tardus waveforms in segmental artery with mildly decreased color flow in kidney. Source: Genitourinary System, Introduction to Diagnostic Radiology Citation: Elsayes KM, Oldham SA. Introduction to Diagnostic Radiology; 2015 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1562/elsayes_ch06_fig-c8-02.png&sec=95877934&BookID=1562&ChapterSecID=95877752&imagename= Accessed: October 24, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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