imrtimrt and vmat which is better

1, English abbreviation _ IMRT _ IMRT what does it mean 2, imrt Chinese abbreviation 3, imrt and vmate what is the difference between English abbreviation _ IMRT _ IMRT what does it mean

English abbreviation IMRT

English full name intensity-modulated radiation therapy

Chinese Explanation intensity-modulated radiation therapy

Abbreviation Classification Medicine and Health

Abbreviation Introduction Intensity-modulated radiation therapy (IMRT) imrt, abbreviated as IMRT imrt, goes a step further and is called IMRT. IMRTimrt, which goes a step further to compensate for the shortcomings of three-dimensional conformal therapyimrt, utilizes a non-flat beam cross-section and an inverse planning system, which is able to modulate the dose delivered by each beam. Since tumors are not necessarily convex, but may be concave or even hollow like a donut, using 3D IMRT to treat concave and hollow cancer cells may cause damage to normal tissues because the radiation can only deliver the same amount of radiation, and the dose may be too high.

IMRT is abbreviated as

IMRT Intensity Modulated Radiation Therapy.

IMRT (Intensity modulated radiotherapy) is a radiation therapy technique based on various physical means. According to the shape of the planned target zone (PTV), by adjusting and controlling the intensity distribution of rays in the irradiation field, it generates different dose gradients to give lethal high-dose irradiation to the target zone, while the surrounding normal tissues (NTs) are not affected by the radiation. It is a radiation therapy technique that controls the surrounding normal tissue (NT) below the normal tolerance dose.

IMRT is an advanced three-dimensional radiation therapy technique, which has been more and more widely used in recent years. It is characterized by its ability to realize the dual conformity of geometric shape and intensity distribution to obtain a dose distribution that meets the expected requirements.

Unlike traditional forward planning, IMRT adopts inverse planning, i.e., the target result is determined first, and then the computer gives the method and parameters to achieve the result, thus realizing the automatic best optimization of treatment planning. In the past decade, researchers have used a variety of optimization methods to optimize the inverse plan, and commonly used methods include: linear programming, mean square optimization, gradient method and simulated annealing algorithm.

What is the difference between imrt and vmate

Difference between imrt and vmate:

1.IMRT is an advanced high-precision radiotherapy, which uses a computer-controlled X-ray gas pedal to go and emit a precise dose of radiation to a malignant tumor or to a specific area within the tumor.IMRT can be used to make the radiation dose more accurate according to the 3D shape of the tumor by adjusting (or controlling) the radiation's IMRT can adjust (or control) the intensity of radiation according to the 3D shape of the tumor to make the radiation dose more accurate.

2. The V-Mate is actually a card writing device, but it features the ability to copy video from other devices, such as a TV or DVD player. The V-Mate itself doesn't come with a playback screen, so we can play the video files it records on top of a device like a cell phone or PSP.

SanDisk's head of consumer marketing, Wes Brewer, said, "The V-Mate allows people to use their mobile devices to watch video on the go, just like at home."

The V-Mate has a wide range of interfaces, including TV, DVD, PVR, VCR, Freeviewbox, data cable, satellite TV wired interface, etc., while there is good support for plug-in card-type devices, such as SD, MMC, and memory sticks.

Users only need to connect the device they want to record a program to the corresponding socket of the V-Mate, and then they can record the program in 640x480 resolution. Of course, both resolution and bitrate are adjustable. The length of video that can be recorded on the V-Mate varies depending on the format used, such as 3.6 hours at 544Kbps and 1.8 hours at 1056Kbps.