Renal scarring and shrinkage secondary to multiple episodes of acute pyelonephritis
Most cases secondary to vesicoureteral reflux (VUR)
IMAGING
General Features
Radiographic Findings
CT Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Vernuccio F et al: CT imaging of acute and chronic pyelonephritis: a practical guide for emergency radiologists. Emerg Radiol. 27(5):561-7, 2020
Expert Panel on Urologic Imaging et al: ACR Appropriateness Criteria® Acute Pyelonephritis. J Am Coll Radiol. 15(11S):S232-9, 2018
Tullus K: Vesicoureteric reflux in children. Lancet. 385(9965):371-9, 2015
Lim R: Vesicoureteral reflux and urinary tract infection: evolving practices and current controversies in pediatric imaging. AJR Am J Roentgenol. 192(5):1197-208, 2009
Khati NJ et al: The role of ultrasound in renal insufficiency: the essentials. Ultrasound Q. 21(4):227-44, 2005
Berrocal T et al: Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 22(5):1139-64, 2002
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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Chronic atrophic pyelonephritis
Definitions
Renal scarring and shrinkage secondary to multiple episodes of acute pyelonephritis
Most cases secondary to vesicoureteral reflux (VUR)
IMAGING
General Features
Radiographic Findings
CT Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Vernuccio F et al: CT imaging of acute and chronic pyelonephritis: a practical guide for emergency radiologists. Emerg Radiol. 27(5):561-7, 2020
Expert Panel on Urologic Imaging et al: ACR Appropriateness Criteria® Acute Pyelonephritis. J Am Coll Radiol. 15(11S):S232-9, 2018
Tullus K: Vesicoureteric reflux in children. Lancet. 385(9965):371-9, 2015
Lim R: Vesicoureteral reflux and urinary tract infection: evolving practices and current controversies in pediatric imaging. AJR Am J Roentgenol. 192(5):1197-208, 2009
Khati NJ et al: The role of ultrasound in renal insufficiency: the essentials. Ultrasound Q. 21(4):227-44, 2005
Berrocal T et al: Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 22(5):1139-64, 2002
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