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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Definitions
Benign, fluid-filled, nonneoplastic renal lesion
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Heilbrun ME et al: ACR Appropriateness Criteria Indeterminate Renal Mass. J Am Coll Radiol. 12(4):333-41, 2015
Wood CG 3rd et al: CT and MR Imaging for Evaluation of Cystic Renal Lesions and Diseases. Radiographics. 35(1):125-41, 2015
Hindman NM et al: Follow-up for Bosniak category 2F cystic renal lesions. Radiology. 272(3):757-66, 2014
Simms RJ et al: How simple are 'simple renal cysts'? Nephrol Dial Transplant. 29 Suppl 4:iv106-12, 2014
O'Connor SD et al: Simple cyst-appearing renal masses at unenhanced CT: can they be presumed to be benign? Radiology. 269(3):793-800, 2013
Bosniak MA: The Bosniak renal cyst classification: 25 years later. Radiology. 262(3):781-5, 2012
Rule AD et al: Characteristics of renal cystic and solid lesions based on contrast-enhanced computed tomography of potential kidney donors. Am J Kidney Dis. 59(5):611-8, 2012
Smith AD et al: Bosniak category IIF and III cystic renal lesions: outcomes and associations. Radiology. 262(1):152-60, 2012
Berland LL et al: Managing incidental findings on abdominal CT: white paper of the ACR incidental findings committee. J Am Coll Radiol. 7(10):754-73, 2010
Israel GM et al: Pitfalls in renal mass evaluation and how to avoid them. Radiographics. 28(5):1325-38, 2008
Terada N et al: The 10-year natural history of simple renal cysts. Urology. 71(1):7-11; discussion 11-2, 2008
Wang ZJ et al: Renal cyst pseudoenhancement at multidetector CT: what are the effects of number of detectors and peak tube voltage?. Radiology. 248(3):910-6, 2008
Jonisch AI et al: Can high-attenuation renal cysts be differentiated from renal cell carcinoma at unenhanced CT?. Radiology. 243(2):445-50, 2007
Silverman SG et al: Hyperattenuating renal masses: etiologies, pathogenesis, and imaging evaluation. Radiographics. 27(4):1131-43, 2007
Israel GM et al: An update of the Bosniak renal cyst classification system. Urology. 66(3):484-8, 2005
Hartman DS et al: From the RSNA refresher courses: a practical approach to the cystic renal mass. Radiographics. 24 Suppl 1:S101-15, 2004
Israel GM et al: Evaluation of cystic renal masses: comparison of CT and MR imaging by using the Bosniak classification system. Radiology. 231(2):365-71, 2004
Israel GM et al: Calcification in cystic renal masses: is it important in diagnosis? Radiology. 226(1):47-52, 2003
Israel GM et al: Follow-up CT of moderately complex cystic lesions of the kidney (Bosniak category IIF). AJR Am J Roentgenol. 181(3):627-33, 2003
Bae KT et al: Renal cysts: is attenuation artifactually increased on contrast-enhanced CT images? Radiology. 216(3):792-6, 2000
Curry NS et al: Cystic renal masses: accurate Bosniak classification requires adequate renal CT. AJR Am J Roentgenol. 175(2):339-42, 2000
Balci NC et al: Complex renal cysts: findings on MR imaging. AJR Am J Roentgenol. 172(6):1495-500, 1999
Bosniak MA: Diagnosis and management of patients with complicated cystic lesions of the kidney. AJR Am J Roentgenol. 169(3):819-21, 1997
Davidson AJ et al: Radiologic assessment of renal masses: implications for patient care. Radiology. 202(2):297-305, 1997
Siegel CL et al: CT of cystic renal masses: analysis of diagnostic performance and interobserver variation. AJR Am J Roentgenol. 169(3):813-8, 1997
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Definitions
Benign, fluid-filled, nonneoplastic renal lesion
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Heilbrun ME et al: ACR Appropriateness Criteria Indeterminate Renal Mass. J Am Coll Radiol. 12(4):333-41, 2015
Wood CG 3rd et al: CT and MR Imaging for Evaluation of Cystic Renal Lesions and Diseases. Radiographics. 35(1):125-41, 2015
Hindman NM et al: Follow-up for Bosniak category 2F cystic renal lesions. Radiology. 272(3):757-66, 2014
Simms RJ et al: How simple are 'simple renal cysts'? Nephrol Dial Transplant. 29 Suppl 4:iv106-12, 2014
O'Connor SD et al: Simple cyst-appearing renal masses at unenhanced CT: can they be presumed to be benign? Radiology. 269(3):793-800, 2013
Bosniak MA: The Bosniak renal cyst classification: 25 years later. Radiology. 262(3):781-5, 2012
Rule AD et al: Characteristics of renal cystic and solid lesions based on contrast-enhanced computed tomography of potential kidney donors. Am J Kidney Dis. 59(5):611-8, 2012
Smith AD et al: Bosniak category IIF and III cystic renal lesions: outcomes and associations. Radiology. 262(1):152-60, 2012
Berland LL et al: Managing incidental findings on abdominal CT: white paper of the ACR incidental findings committee. J Am Coll Radiol. 7(10):754-73, 2010
Israel GM et al: Pitfalls in renal mass evaluation and how to avoid them. Radiographics. 28(5):1325-38, 2008
Terada N et al: The 10-year natural history of simple renal cysts. Urology. 71(1):7-11; discussion 11-2, 2008
Wang ZJ et al: Renal cyst pseudoenhancement at multidetector CT: what are the effects of number of detectors and peak tube voltage?. Radiology. 248(3):910-6, 2008
Jonisch AI et al: Can high-attenuation renal cysts be differentiated from renal cell carcinoma at unenhanced CT?. Radiology. 243(2):445-50, 2007
Silverman SG et al: Hyperattenuating renal masses: etiologies, pathogenesis, and imaging evaluation. Radiographics. 27(4):1131-43, 2007
Israel GM et al: An update of the Bosniak renal cyst classification system. Urology. 66(3):484-8, 2005
Hartman DS et al: From the RSNA refresher courses: a practical approach to the cystic renal mass. Radiographics. 24 Suppl 1:S101-15, 2004
Israel GM et al: Evaluation of cystic renal masses: comparison of CT and MR imaging by using the Bosniak classification system. Radiology. 231(2):365-71, 2004
Israel GM et al: Calcification in cystic renal masses: is it important in diagnosis? Radiology. 226(1):47-52, 2003
Israel GM et al: Follow-up CT of moderately complex cystic lesions of the kidney (Bosniak category IIF). AJR Am J Roentgenol. 181(3):627-33, 2003
Bae KT et al: Renal cysts: is attenuation artifactually increased on contrast-enhanced CT images? Radiology. 216(3):792-6, 2000
Curry NS et al: Cystic renal masses: accurate Bosniak classification requires adequate renal CT. AJR Am J Roentgenol. 175(2):339-42, 2000
Balci NC et al: Complex renal cysts: findings on MR imaging. AJR Am J Roentgenol. 172(6):1495-500, 1999
Bosniak MA: Diagnosis and management of patients with complicated cystic lesions of the kidney. AJR Am J Roentgenol. 169(3):819-21, 1997
Davidson AJ et al: Radiologic assessment of renal masses: implications for patient care. Radiology. 202(2):297-305, 1997
Siegel CL et al: CT of cystic renal masses: analysis of diagnostic performance and interobserver variation. AJR Am J Roentgenol. 169(3):813-8, 1997
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