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Nephrocalcinosis Differential Diagnoses

  • Author: Tibor Fulop, MD, FASN, FACP; Chief Editor: Vecihi Batuman, MD, FACP, FASN  more...
 
Updated: Dec 07, 2015
 
 

Diagnostic Considerations

Nephrocalcinosis, though seemingly a simple finding, incorporates numerous potential disease processes in the differential. An effort should be made to describe the location and degree of nephrocalcinosis and to uncover the underlying metabolic abnormality or abnormalities (eg, renal tubular acidosis). In clinical practice, nephrocalcinosis is more commonly encountered in its macroscopic form than in its microscopic form. It must not be considered synonymous with renal stone disease, because it has much broader metabolic implications.

 
 
Contributor Information and Disclosures
Author

Tibor Fulop, MD, FASN, FACP Professor of Medicine, Department of Medicine, Division of Nephrology, University of Mississippi Medical Center

Tibor Fulop, MD, FASN, FACP is a member of the following medical societies: American College of Physicians, American Society of Diagnostic and Interventional Nephrology, American Society of Hypertension, American Society of Nephrology

Disclosure: Serve(d) as a director, officer, partner, employee, advisor, consultant or trustee for: Fresenius Medical Care, Hungary.

Coauthor(s)

Mahendra Agraharkar, MD, MBBS, FACP FASN, Clinical Associate Professor of Medicine, Baylor College of Medicine; President and CEO, Space City Associates of Nephrology

Mahendra Agraharkar, MD, MBBS, FACP is a member of the following medical societies: American College of Physicians, American Society of Nephrology, National Kidney Foundation

Disclosure: Received ownership interest/medical directorship from South Shore DaVita Dialysis Center for other; Received ownership/medical directorship from Space City Dialysis /American Renal Associates for same; Received ownership interest from US Renal Care for other.

Rajiv Gupta, MD Assistant Professor, Department of Medicine, Texas A&M Health Science Center College of Medicine; Consulting Staff, Veterans Affairs Medical Center

Rajiv Gupta, MD is a member of the following medical societies: Alpha Omega Alpha, American College of Cardiology, Society for Cardiovascular Angiography and Interventions

Disclosure: Nothing to disclose.

Chief Editor

Vecihi Batuman, MD, FACP, FASN Huberwald Professor of Medicine, Section of Nephrology-Hypertension, Tulane University School of Medicine; Chief, Renal Section, Southeast Louisiana Veterans Health Care System

Vecihi Batuman, MD, FACP, FASN is a member of the following medical societies: American College of Physicians, American Society of Hypertension, American Society of Nephrology, International Society of Nephrology

Disclosure: Nothing to disclose.

Acknowledgements

Eleanor Lederer, MD Professor of Medicine, Chief, Nephrology Division, Director, Nephrology Training Program, Director, Metabolic Stone Clinic, Kidney Disease Program, University of Louisville School of Medicine; Consulting Staff, Louisville Veterans Affairs Hospital

Eleanor Lederer, MD is a member of the following medical societies: American Association for the Advancement of Science, American Federation for Medical Research, American Society for Biochemistry and Molecular Biology, American Society for Bone and Mineral Research, American Society of Nephrology, American Society of Transplantation, International Society of Nephrology, Kentucky Medical Association, National Kidney Foundation, and Phi Beta Kappa

Disclosure: Dept of Veterans Affairs Grant/research funds Research

James W Lohr, MD Professor, Department of Internal Medicine, Division of Nephrology, Fellowship Program Director, University of Buffalo State University of New York School of Medicine and Biomedical Sciences

James W Lohr, MD is a member of the following medical societies: American College of Physicians, American Heart Association, American Society of Nephrology, and Central Society for Clinical Research

Disclosure: Alexion Salary Employment

Rupert Patel, MD Physician, Division of Nephrology, Houston, Texas

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

Acknowledgments

The primary author would like to thank Dr Gurvinder Suri, Renal Fellow in the Nephrology Division at the University of Mississippi Medical Center, for his valuable peer review.

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Diagram of nephron.
Nephrocalcinosis.
Nephrocalcinosis.
Nephrocalcinosis.
Nonenhanced coronal CT scans through kidneys, showing cortical and medullary nephrocalcinosis (left kidney). Both kidneys appear scarred. Note thinning of renal cortex at upper pole of left kidney. Patient gave long history of chronic pyelonephritis, which is unusual cause of nephrocalcinosis.
Axial CT scans from patient with long history of renal tubular acidosis. Images show bilateral medullary nephrocalcinosis (early arterial phase).
Ultrasonogram of right kidney in woman with nephrocalcinosis. Image shows hyperechoic foci in pyramids.
Excretory urogram obtained at 15 minutes in man with renal papillary necrosis (most likely, patient with diabetes mellitus and repeated urinary tract infections). Image shows bilateral hydronephrosis and hydroureter due to obstruction by sloughed papillae at lower end of ureter.
Plain kidney-ureter-bladder (KUB) radiograph in man with renal papillary necrosis (most likely, patient with diabetes mellitus and repeated urinary tract infections). Image shows bilateral renal calcification. Large, sloughed, and calcified renal papilla is present in region of left vesicoureteric junction. Note 2 pelvic phleboliths opposite ischial spine on right.
 
 
 
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