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Updated: Jul 1, 2026
03:19
Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
Published on: June 21, 2024
Pitfalls in renal mass evaluation and how to avoid them.
Gary M Israel1, Morton A Bosniak
1Department of Diagnostic Radiology, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06520-8042, USA. gary.israel@yale.edu
Summary
Understanding computed tomography (CT) and magnetic resonance (MR) imaging pitfalls is crucial for accurate renal mass diagnosis. Awareness of these diagnostic challenges helps avoid misdiagnosis and unnecessary surgeries for kidney masses.
Area of Science:
- Radiology
- Medical Imaging
- Urology
Background:
- Accurate characterization of renal masses using computed tomography (CT) and magnetic resonance (MR) imaging is vital.
- Diagnostic pitfalls can lead to misdiagnosis and unnecessary surgical interventions.
Purpose of the Study:
- To highlight potential pitfalls in CT and MR imaging for renal mass diagnosis.
- To provide guidance for improving the detection and characterization of renal masses.
Main Methods:
- Review of technical factors and image interpretation errors in CT and MR imaging of renal masses.
- Emphasis on contrast-enhanced imaging, including the nephrographic phase.
- Consideration of alternative diagnoses and historical data.
Main Results:
- Diagnostic accuracy can be compromised by technical limitations and interpretation errors.
- Absolute Hounsfield unit measurements may be unreliable; CT pseudoenhancement is a potential issue.
- MR imaging can aid in characterizing indeterminate CT findings.
Conclusions:
- Awareness of imaging pitfalls is essential for accurate renal mass diagnosis.
- Optimal imaging protocols, including contrast enhancement, improve characterization.
- Considering benign mimics and reviewing prior data can prevent misdiagnosis and overtreatment.
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