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23 November 2016 : Clinical Research  

Role of Acoustic Radiation Force Impulse (ARFI) Elastography in Determination of Severity of Benign Prostate Hyperplasia

Bircan AlanABCDEG, Mazhar UtangaçBF, Cemil GöyaAC, Mansur DağgülliB

DOI: 10.12659/MSM.898676

Med Sci Monit 2016; 22:4523-4528

Abstract

BACKGROUND: The aim of this study was to investigate the potential contribution of acoustic radiation force impulse (ARFI) elastography to the determination of the severity of benign prostate hypertrophy (BPH) by performing shear wave velocity (SWV) measurements of the prostate using ARFI technology.

MATERIAL AND METHODS: Sixty BPH patients and 40 healthy volunteers were included in this study. SWV measurements of the prostate were performed by transabdominal ultrasonography (US), both in the BPH patients and control subjects. The BPH patients also underwent uroflowmetry measurements. Using the International Prostate Symptom Score (IPSS), the BPH patients were divided into two subgroups, a mild-to-moderate BPH group and a severe BPH group, to compare SWV values.

RESULTS: The BPH patients had higher SWV values for the central area of the prostate compared to the control subjects (2.52±0.59 m/s and 1.47±0.42 m/s, p<0.01). The SWV values of the central area of prostate were higher in the severe BPH group compared to the mild-to-moderate BPH group (2.62±0.58 and 2.25±0.55, p=0.02).

CONCLUSIONS: Our ARFI elastography results indicated that the central prostate SWV values of BPH patients were significantly higher relative to those of a healthy control group. The central prostate SWV values increased in proportion to the increased severity of BPH. Measurement of SWV by ARFI technology constitutes a non-invasive alternative to other methods for the determination of BPH severity.

Keywords: Case-Control Studies, Elasticity Imaging Techniques - methods, Prostatic Hyperplasia - diagnostic imaging, ROC Curve, Reproducibility of Results, Sensitivity and Specificity, Ultrasonography

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750