High-Intensity Focused Ultrasound (HIFU) is a medical technology that uses ultrasound waves to deliver focused energy at a specific target within the body. This non-invasive technique has gained recognition for its potential in various therapeutic applications. The principle behind HIFU involves using an ultrasound transducer to generate high-frequency sound waves. These waves are focused to aprecise point, creating a concentrated area of high intensity. The energy produced can be used to achieve two main effects: thermal ablation and mechanical disruption. In thermal ablation, the intense heat generated by the focused ultrasound causes coagulative necrosis, leading to the destruction of targeted tissue. This method has been used to treat solid tumors such as prostate, liver, kidney, and breast cancer. HIFU offers advantages over traditional surgical methods as it is non-invasive, avoids the need for incisions, and can be done as an outpatient procedure. It also provides real-time monitoring capabilities, allowing for precise control and adjustment of the treatment. Mechanical disruption, on the other hand, involves using high-intensity ultrasound to induce mechanical effects on tissue, rather than relying solely on thermal energy. This approach has shown promise in applications such as targeted drug delivery, where HIFU can be used to temporarily disrupt cell membranes, facilitating the delivery of therapeutic agents to specific areas. HIFU has also demonstrated effectiveness in the treatment of various neurological conditions. In neurosurgery, it can be used to create lesions in specific brain regions, offering a non-invasive alternative to traditional surgical approaches. Among other neurological illnesses, HIFU has been investigated for the treatment of essential tremor, Parkinson's disease, and neuropathic pain. In addition, HIFU has found applications in the field of cosmetic medicine. It can stimulate collagen production and tissue tightening, making it suitable for non-surgical facelifts, body contouring, and skin rejuvenation. HIFU treatments in this context are typically well-tolerated, with minimal discomfort and downtime. While HIFU has demonstrated significant potential, ongoing research and development efforts are focused on further refining the technology, optimizing treatment protocols, and expanding its applications. Continued advancements in imaging techniques, treatment planning software, and transducer design are expected to enhance the precision and effectiveness of HIFU procedures. In conclusion, High Intensity Focused Ultrasound (HIFU) is a non-invasive medical device that delivers focused energy via ultrasound waves for thermal ablation and mechanical disruption. Its applications range from the treatment of solid tumors and neurological disorders to cosmetic medicine. With ongoing research and development, HIFU holds promise as a versatile and transformative approach to various medical treatments
Franco OrsiGianluca Maria Varano
Sébastien CrouzetOlivier RouvièreCyril LafondJean‐Yves ChapelonAlbert Gelet