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Review
. 2015 Mar 13:80:131-41.
doi: 10.12659/PJR.892341. eCollection 2015.

High-Intensity Focused Ultrasound (HIFU) in Localized Prostate Cancer Treatment

Mohammed Alkhorayef  1 , Mustafa Z Mahmoud  2 , Khalid S Alzimami  1 , Abdelmoneim Sulieman  3 , Maram A Fagiri  4
Affiliations
Review

High-Intensity Focused Ultrasound (HIFU) in Localized Prostate Cancer Treatment

Mohammed Alkhorayef et al. Pol J Radiol. .

Abstract

Background: High-intensity focused ultrasound (HIFU) applies high-intensity focused ultrasound energy to locally heat and destroy diseased or damaged tissue through ablation. This study intended to review HIFU to explain the fundamentals of HIFU, evaluate the evidence concerning the role of HIFU in the treatment of prostate cancer (PC), review the technologies used to perform HIFU and the published clinical literature regarding the procedure as a primary treatment for PC.

Material/methods: Studies addressing HIFU in localized PC were identified in a search of internet scientific databases. The analysis of outcomes was limited to journal articles written in English and published between 2000 and 2013.

Results: HIFU is a non-invasive approach that uses a precisely delivered ultrasound energy to achieve tumor cell necrosis without radiation or surgical excision. In current urological oncology, HIFU is used clinically in the treatment of PC. Clinical research on HIFU therapy for localized PC began in the 1990s, and the majority of PC patients were treated with the Ablatherm device.

Conclusions: HIFU treatment for localized PC can be considered as an alternative minimally invasive therapeutic modality for patients who are not candidates for radical prostatectomy. Patients with lower pre-HIFU PSA level and favourable pathologic Gleason score seem to present better oncologic outcomes. Future advances in technology and safety will undoubtedly expand the HIFU role in this indication as more of patient series are published, with a longer follow-up period.

Keywords: High-Intensity Focused Ultrasound Ablation; Interventional; Magnetic Resonance Imaging; Prostatic Neoplasms.

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Figures

Figure 1
Figure 1
Physical principle of focused energy application [26].
Figure 2
Figure 2
Commercially available transrectal HIFU devices: Ablatherm and Sonablate 500 [26].
Figure 3
Figure 3
Different transrectal HIFU transducers for Sonablate 500 and Ablatherm [26].
See this image and copyright information in PMC

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