orthovoltage sentence in Hindi
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- Megavoltage x-rays also have higher relative biological effectiveness than orthovoltage x-rays.
- In addition, these orthovoltage machines ( 300 kvp ) were not designed to be mobile.
- For these reasons, the centers rejected IO orthovoltage ( X-rays ) radiation therapy machines.
- Lower energy x-rays, called orthovoltage X-rays, are used to treat more superficial cancers.
- Superficial and orthovoltage X-rays have application for the treatment of cancers at or close to the skin surface.
- Therefore beginning in the 1920s " orthovoltage " 200 & ndash; 500 kV x-ray machines were built.
- Orthovoltage X-rays, which used tube voltages of 200-500 kV, began to be used during the 1920s.
- IORT treatments with low energy or " orthovoltage " X-rays gained advocates throughout the 1930s and 1940s, but the results were inconsistent.
- With the introduction of linear accelerators in the 1970s, which could produce 4-30 MV beams, orthovoltage x-rays are now considered quite shallow.
- It has 17 radiation treatment machines, all of which are equipped with the latest technologies including IMRT and VMAT, a superficial orthovoltage machine, and operates a Gamma Knife ( Perfexion ) stereotactic radiosurgery machine in collaboration with Toronto Western Hospital.
- "' Orthovoltage x-rays "'are produced by x-ray tubes operating at voltages in the 200 & ndash; 500 keV range ( see external beam radiotherapy for an explanation of the maximum and mean energies as a function of voltage ).
- In 1982 the Joint Center for Radiation Therapy ( JCRT ), at Harvard Medical School, attempted to reduce the cost of performing IORT in an OR by using orthovoltage X-rays to provide the intraoperative dose, which was similar to the approach used in Germany in 1915.
- In 1965, the modern era of IOERT began in Japan at Kyoto University where patients were treated with electrons generated by a betatron Compared with other forms of IORT such as orthovoltage X-ray beams, electron beams improved IOERT dose distributions, limited penetration beyond the tumor, and delivered the required dose much more rapidly.
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