An Advanced Technology for Better Treatment of the Diseases    

High Intensity Focused Ultrasound is a highly precise medical procedure that uses some advanced medical devices to heat and destroy pathogenic tissue. Under ultra-sonography or computerized magnetic resonance guided focused ultrasound (MRgFUS), the Magnetic resonance imaging (MRI) is used to identify tumors or fibroid in the body before they are destroyed by the ultrasound. This technology is being used in many countries to diagnose uterine fibroids. Current clinical trials are still underway for the possible use of technique in the treatment of the cancers of brain, liver, bone, and breast and prostate.

The focused ultrasound directs at a small volume of the fibroid and raises temperature high enough to cause thermal ablation without impacting on other tissues. The magnetic resonance guided FUS treatment uses the MR images to locate the fibroid without taking any incision. During the treatment procedure patient lies on stomach on a table that fits into a standard MRI scanner. Now, doctor takes the fibroid(s) on MR images. After a detailed planning, high energy focused ultrasound waves heat a small spot up to 85oC. During the sonication, doctor monitors the progress and reviews temperature-sensitive images.

Unlike the conventional ultrasound that provides the images in thin, flat sections of the body, MRgFUS is an advanced ultrasound technology which includes three-dimensional (3-D) ultrasound that formats the sound wave data into 3-D images. These images are of high enough resolution to distinguish fibroid boundaries and structures such as sacral nerves to ensure safe treatment. And treatment through the magnetic resonance guided focused ultrasound is relatively painless. Here the focus of energy would be great enough to burn a small area. The high frequency ultrasound waves pass through the tissue in the same manner as a magnifying glass. So, doctors can concentrate on a precise and predetermined treatment dose to the targeted tissue without giving any collateral injury.


 


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