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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 52 The Pediatric Urinary Tract and Adrenal Glands 1787

A

B

FIG. 52.17 Ureteropelvic Junction Obstruction. (A) and (B) Longitudinal and transverse images show marked renal collecting system dilation

with the medially dilated pelvis (P) communicating with dilated calyces (C).

A B C

D

FIG. 52.18 Ureterovesical Junction Obstruction. (A) Longitudinal image of the left kidney reveals severe hydronephrosis and proximal

hydroureter (U). *, Renal pelvis. (B) Longitudinal image shows the dilated, tortuous ureter (U) in the left lank. (C) Transverse image depicts the

dilated left ureter (U) near its insertion into the bladder (B). (D) MAG3 diuretic renography images demonstrate left-sided pelvocaliectasis and

ureteral tortuosity with delayed washout of activity compared with the right. L, Left side.

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