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Diagnostic ultrasound ( PDFDrive )

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654 PART II Abdominal and Pelvic Sonography

A

B

C

D

E

F

FIG. 18.36 Chronic Renal Failure in Six Patients. (A) and (B) Cortical thinning. (A) Sagittal scan shows moderate cortical thinning with

abundant renal sinus fat. (B) With progression, the kidney (arrows) becomes smaller and the cortex thinner. (C)-(F) Dystrophic calciications.

Sagittal sonograms show (C) a few punctuate peripheral cortical calciications (arrows); (D) multiple peripheral and central cortical calciications

(arrows); and (E) linear calciications that extend from the peripheral to deep cortex (arrows). (F) The end-stage kidney becomes calciied, appearing

as an echogenic interface (arrow) associated with dirty shadowing (arrowheads). The kidney is frequently not identiied on sonography at this stage.

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