megavoltage


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Related to megavoltage: megavoltage radiotherapy

megavoltage

 [meg´ah-vōl″taj]
in radiation therapy, voltage greater than 1 megavolt, as contrasted to orthovoltage and supervoltage.

meg·a·volt·age

(meg'ă-vol'tăj),
In radiation therapy, a term for voltage above one million volts.

megavoltage

/mega·vol·tage/ (-vōl″taj) in radiotherapy, voltage greater than 1 megavolt, in contrast to orthovoltage and supervoltage.

megavoltage

Voltage of greater than 1 megavolt.
References in periodicals archive ?
For the entire world, North America has about 26 per cent of the entire world megavoltage external beam machines, Asia 27 per cent, Latin America and Caribbean 34 per cent; Europe 34 per cent and Africa has only two per cent of the megavoltage external beam machines in the world.
The voltage in the single discs can be some megavoltage after the disconnection.
trauma (body peel, carbon dioxide laser resurfacing, megavoltage radiation therapy, and cryosurgery)
Dedicated to the prevention, diagnosis and treatment of colorectal cancer, the third leading cause of cancer deaths in Indiana, the center features the latest technology, such as megavoltage cone beam imaging for more precise targeting of tumors, and it has piloted selective internal radiation therapy for colon cancer that has spread to the liver.
Technical chapters cover medical linear accelerators, interaction properties of X-rays and electrons, dosimetry and calibration of megavoltage X-rays and electrons, and properties of X-ray and electron beams.
Twenty years from now, molecular-based drug therapy may be as popular as the megavoltage treatment machines that are currently a crucial component of every radiation therapy center worldwide.
This study recruited 77 NPC patients who received primary external megavoltage RT with curative intent.
EXHIBIT 1 INPUT AND OUTPUT VARIABLES FOR DEA Input FTE physicians and dentists FTE registered nurses FTE licensed practical & vocational nurses FTE other personnel Number of beds Number of high technology services (a) Output Inpatient days (b) Outpatient visits (c) FTE trainees Stanby services (d) Notes: (a) This includes cardiac catheterization labs, open heart surgery, extracorporeal shock wave lithotripters, megavoltage radiation therapy, magnetic resonance imaging (MRI), organ transplant and certified trauma centers.
One such approach is helical intensity-modulated radiation therapy, which relies on megavoltage CT for imaging guidance and delivers treatment in a continuous 360[degrees] arc.
In nature, only the megavoltage of a lightning bolt and the potent enzymes in some soil bacteria and fungi can split nitrogen molecules, says chemist Paul J.
They found that despite a 16 per cent increase in demand for treatment, megavoltage machines in clinical use for radiotherapy had only increased by 10 per cent.