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Testicular ultrasensitive Doppler preliminary experience: a feasibility study
Laurence Rocher1,2,3, Jean-Luc Gennisson3, Sophie Ferlicot2,4
11 Department of Adult Diagnostic and Interventional Radiology, Bicetre University Hospital, Le Kremlin Bicêtre, France.
Acta Radiologica (Stockholm, Sweden : 1987)
|June 2, 2017
Summary
Ultrasensitive Doppler (USD) enhances ultrasound for testicular disease diagnosis, improving detection of slow blood flow in tumors and infertility. This novel technique shows promise for acute scrotum conditions and assessing testicular vascularization.
Area of Science:
- Medical Imaging
- Ultrasound Technology
- Vascular Biology
Background:
- Ultrasensitive Doppler (USD) is a novel non-invasive ultrasound technique designed to enhance sensitivity and resolution for detecting slow blood flow.
- Conventional Doppler ultrasound has limitations in visualizing subtle vascular changes, particularly in complex scrotal pathologies.
- Accurate assessment of testicular vascularity is crucial for diagnosing various conditions, including tumors, torsion, and infertility.
Purpose of the Study:
- To evaluate the feasibility and diagnostic utility of ultrasensitive Doppler (USD) for testicular disease diagnosis.
- To assess both qualitative and quantitative aspects of testicular vascularization using USD.
- To compare testicular vascularization (TV) in azoospermic and normal men.
Main Methods:
- A prospective study involving 160 men referred for scrotal ultrasound, incorporating B-mode, conventional Color-Doppler, and a new USD sequence.
- Qualitative analysis of tumor vascular architecture and flow intensity in 41 patients with various testicular pathologies.
- Quantitative measurement of testicular vascularization (TV) using MATLAB software and comparison between different patient groups.
Main Results:
- USD acquisition was successful in 95.6% of patients (153/160).
- Distinct tumor vascular patterns were observed: Leydig cell tumors showed circumferential vascularization, while germ cell tumors displayed varied architectures.
- USD improved diagnostic performance for incomplete spermatic cord torsion and acute epididymitis. Non-Klinefelter non-obstructive azoospermia patients showed significantly lower TV compared to controls (P < 0.002).
Conclusions:
- Testicular ultrasensitive Doppler (USD) demonstrates feasibility and potential as a valuable tool for scrotal imaging.
- USD can enhance the diagnosis of testicular tumors and acute scrotum conditions.
- Quantitative TV measurements using USD may aid in determining infertility status.
