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Miscellaneous Renal Conditions
Renal Artery Stenosis
Renal Artery Stenosis
Ethan A. Smith, MD
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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
Renal artery stenosis (RAS)
Synonyms
Renovascular hypertension (HTN), renin-mediated HTN
Definitions
Renal artery narrowing causes diminished renal parenchymal blood flow
Renin-angiotensin system activates in attempt to maintain renal perfusion, leading to elevated blood pressure
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Orman G et al: Diagnostic sensitivity and specificity of CT angiography for renal artery stenosis in children. Pediatr Radiol. 51(3):419-26, 2020
Castelli PK et al: Imaging of renin-mediated hypertension in children. AJR Am J Roentgenol. 200(6):W661-72, 2013
Tullus K et al: Imaging in the evaluation of renovascular disease. Pediatr Nephrol. 25(6):1049-56, 2010
Tullus K et al: Renovascular hypertension in children. Lancet. 371(9622):1453-63, 2008
Stanley JC et al: Pediatric renovascular hypertension: 132 primary and 30 secondary operations in 97 children. J Vasc Surg. 44(6):1219-28; discussion 1228-9, 2006
Vo NJ et al: Anatomic distribution of renal artery stenosis in children: implications for imaging. Pediatr Radiol. 36(10):1032-6, 2006
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
Renal artery stenosis (RAS)
Synonyms
Renovascular hypertension (HTN), renin-mediated HTN
Definitions
Renal artery narrowing causes diminished renal parenchymal blood flow
Renin-angiotensin system activates in attempt to maintain renal perfusion, leading to elevated blood pressure
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Orman G et al: Diagnostic sensitivity and specificity of CT angiography for renal artery stenosis in children. Pediatr Radiol. 51(3):419-26, 2020
Castelli PK et al: Imaging of renin-mediated hypertension in children. AJR Am J Roentgenol. 200(6):W661-72, 2013
Tullus K et al: Imaging in the evaluation of renovascular disease. Pediatr Nephrol. 25(6):1049-56, 2010
Tullus K et al: Renovascular hypertension in children. Lancet. 371(9622):1453-63, 2008
Stanley JC et al: Pediatric renovascular hypertension: 132 primary and 30 secondary operations in 97 children. J Vasc Surg. 44(6):1219-28; discussion 1228-9, 2006
Vo NJ et al: Anatomic distribution of renal artery stenosis in children: implications for imaging. Pediatr Radiol. 36(10):1032-6, 2006
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