Ultrasound has been developed for therapeutic use in addition to its diagnostic ability. The use of focused ultrasound energy can offer a non-invasive method for tissue ablation, and can therefore be used to treat various solid tumours. High-intensity focused ultrasound is being increasingly used in the treatment of both primary and metastatic tumours as these can be precisely located for ablation. It has been shown to be particularly useful in the treatment of uterine fibroids, and various solid tumours including those of the pancreas and liver. High-intensity focused ultrasound is a valid treatment option for liver tumours in patients with significant medical co-morbidity who are at high risk for surgery or who have relatively poor liver function that may preclude hepatectomy. It has also been used as a form of bridging therapy while patients awaiting cadaveric donor liver transplantation. In this article, we outline the principles of high-intensity focused ultrasound and its clinical applications, including the management protocol development in the treatment of hepatocellular carcinoma in Hong Kong by performing a search on MEDLINE (OVID), EMBASE, and PubMed. The search of these databases ranged from the date of their establishment until December 2015. The search terms used were: high-intensity focused ultrasound, ultrasound, magnetic resonance imaging, liver tumour, hepatocellular carcinoma, pancreas, renal cell carcinoma, prostate cancer, breast cancer, fibroids, bone tumour, atrial fibrillation, glaucoma, Parkinson's disease, essential tremor, and neuropathic pain.
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Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine. 2016 Jul 06 [Epub ahead of print]
W H She, T T Cheung, C R Jenkins, M G Irwin
Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong., Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong., Department of Anaesthesiology, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong., Department of Anaesthesiology, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong.