Clinical Report: Correspondence on 3D-Presumed Circular Area Ratio in MRI Evaluation

Overview

This correspondence discusses the study by Yang J et al. on the 3D-presumed circular area ratio (PCAR) in MRI assessments of benign prostatic hyperplasia (BPH). It highlights the study's findings on the correlation of PCAR with the International Prostate Symptom Score (IPSS).

Background

Benign prostatic hyperplasia (BPH) is a prevalent condition among middle-aged and elderly men, often leading to lower urinary tract symptoms (LUTS). Accurate assessment of BPH severity is crucial for effective management. Current evaluation tools include the IPSS and imaging, but there is a need for more objective indicators of disease severity.

Data Highlights

No numerical data or trial data provided in the correspondence.

Key Findings

• The study included 335 patients with pathologically confirmed BPH.
• 3D-PCAR showed stronger correlations with IPSS than conventional axial PCAR.
• Nested regression analysis indicated that 3D-PCAR offers incremental value over traditional volumetric parameters.
• Suggestions for future research include examining technical differences and validating against urodynamic parameters.
• A proposed PCAR threshold for clinically significant BPH could enhance clinical applicability.

Clinical Implications

The findings indicate that 3D-PCAR may provide a more comprehensive evaluation of prostate morphology in BPH patients.

Conclusion

The correspondence emphasizes the need for further research to validate the clinical applicability of 3D-PCAR in BPH assessment.

Related Resources & Content

1. Yang J et al., World Journal of Urology, 2026 -- Value of 3D-presumed circular area ratio in MRI assessment of benign prostatic hyperplasia
2. Evaluation and risk assessment of PI-RADS v2.1 categories 3–5 lesions through amide proton transfer imaging
3. ASCO Publications — Improved imaging-pathology correlation with MR imaging-derived, 3D-printed, patient-specific whole-mount molds of the prostate.
4. ASCO Publications — Is PI-RADS 3/total lesion ratio associated with clinically-significant prostate cancer in patients with equivocal-risk lesions on multi-parametric MRI?
5. Management of Lower Urinary Tract Symptoms Attributed to Benign Prostatic Hyperplasia: AUA Guideline (2026) Part I: Presentation and Evaluation
6. MRI of Benign Prostatic Hyperplasia: Important Pre- and Posttherapeutic Considerations | RadioGraphics
7. Presumed circle area ratio of the prostate in a community-based group of men - PMC