Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

511
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
511
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

628
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
628
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

429
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
429
Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate01:25

Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate

79
The glomerular filtration rate (GFR) is a critical indicator of kidney health, reflecting how well the kidneys filter blood. Changes in GFR can signal potential kidney impairment, necessitating accurate measurement methods to monitor kidney function effectively.Various molecules can serve as markers for GFR measurement, with the ideal marker meeting several specific criteria. It must freely filter at the glomerulus, avoid reabsorption or secretion by the renal tubules, remain unmetabolized, not...
79
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

336
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
336
Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration01:28

Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration

285
Glomerular filtration rate (GFR) can be estimated from serum creatinine using the modification of diet in renal disease (MDRD) formula or the chronic kidney disease–epidemiology collaboration (CKD–EPI) equation. Both methods are widely used in clinical practice to assess kidney function and guide treatment decisions.The MDRD equation does not require weight or height measurements and is normalized to the body surface area of 1.73 m², considered the average adult surface area.
285

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Musculoskeletal abnormalities: A clue to systemic diseases.

Clinical imaging·2026
Same author

The LELEX initiative to enhance cancer imaging communication: development of a consensus-based structured reporting template and lexicon for general oncologic imaging.

Radiologia brasileira·2026
Same author

ReIMAGINE study insights: Can abbreviated bpMRI transform prostate cancer screening?

European radiology·2026
Same author

Zero-Shot PI-RADS Version 2.1 Scoring with ChatGPT-4 Turbo and Llama 3: Diagnostic Performance and Agreement with Abdominal Radiologists.

Radiology. Imaging cancer·2025
Same author

Diverse PD-1, CD163, and FOXP3 Profiles in Primary and Metastatic Microenvironments of Prostate Cancer.

Oncology research·2025
Same author

Transient and Shear-Wave Elastography in the Detection of Hepatic Sinusoidal Obstruction Syndrome in Patients Undergoing Hematopoietic Stem Cell Transplantation: A Systematic Review and Meta-Analysis.

Transplantation and cellular therapy·2025

Related Experiment Video

Updated: Mar 6, 2026

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
03:19

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography

Published on: June 21, 2024

2.6K

Reproducibility and interobserver agreement of the R.E.N.A.L. nephrometry score: focus on imaging features.

Richard Mast Vilaseca1, Antonio Carlos Westphalen2, Henrique Ferreira Reis3

  • 1MD, Attending Radiologist, Radiology Department - Abdominal Imaging, Hospital Universitari Vall d'Hebron, Barcelona, Spain.

Radiologia Brasileira
|March 17, 2017
PubMed
Summary

The R.E.N.A.L. nephrometry scoring system (RENAL-NS) demonstrates high reproducibility and interobserver agreement for assessing renal tumors. This scoring system is easily applicable and reproducible, even for less experienced radiologists.

Keywords:
Carcinoma, renal cellComputed tomographyKidney neoplasmsMagnetic resonance imagingNeoplasm staging

More Related Videos

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
09:31

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

9.3K
Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
10:38

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

21.0K

Related Experiment Videos

Last Updated: Mar 6, 2026

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
03:19

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography

Published on: June 21, 2024

2.6K
In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
09:31

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

9.3K
Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
10:38

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

21.0K

Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • The R.E.N.A.L. nephrometry score (RENAL-NS) is a standardized system for evaluating anatomical complexity of renal tumors.
  • Accurate assessment of renal tumor characteristics is crucial for surgical planning and outcomes.

Purpose of the Study:

  • To evaluate the reproducibility and interobserver agreement of the R.E.N.A.L. nephrometry scoring system.
  • To determine the reliability of RENAL-NS in assessing renal tumor complexity.

Main Methods:

  • Retrospective analysis of 46 renal masses using computed tomography or magnetic resonance imaging.
  • Two independent radiologists applied the R.E.N.A.L. nephrometry score (RENAL-NS), assessing five anatomical features.
  • Interobserver agreement was calculated for individual parameters and the total score.

Main Results:

  • High interobserver agreement was observed for most RENAL-NS parameters and the total score (kappa values ranging from 0.65 to 1.00).
  • The 'Nearness' and 'Radius' parameters, along with the total score, showed the strongest agreement.
  • Discordances in scoring did not significantly impact surgical planning.

Conclusions:

  • The RENAL-NS is a reproducible and easily applicable system for assessing anatomical features of renal tumors.
  • The system is reliable for use by radiologists, including those with less experience.
  • RENAL-NS aids in structured evaluation and classification of renal tumor complexity.