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Cancer Treatment Centers of America

Trilogy® for colorectal cancer

Trilogy for colorectal cancer

As its name implies, Trilogy® allows radiation oncologists to deliver three different types of radiation therapies from one machine. The technology’s real-time imaging may allow the radiation oncologist to better monitor the colorectal tumor’s motion during treatment while delivering targeted radiation therapy directly to the tumor. This is designed to help avoid damage to healthy surrounding tissues. Trilogy also may allow radiation therapy to be delivered more quickly than some other systems.

What is Trilogy®?

The Trilogy® radiation therapy system may be used to provide intensity modulated radiation therapy (IMRT), image guided radiation therapy (IGRT), stereotactic radiosurgery (SRS) and fractionated stereotactic radiation therapy—all from one machine.

With Trilogy, we can deliver sculpted radiation beams to colorectal tumors, while protecting the surrounding healthy tissue and shortening treatment times.

How it works

This technology’s real-time imaging gives us up-to-the-second diagnostic data so we can (1) monitor tumor motion during your colorectal cancer radiation therapy, (2) provide high doses of extremely targeted radiation therapy and (3) avoid harm to healthy tissues that surround colorectal tumors.

In addition, Trilogy includes respiratory gating capabilities, which enables us to deliver optimal doses of radiation to tumors with utmost accuracy. The Trilogy treatment system senses and accounts for motion as you breathe in and out, helping us to target the tumor and protect healthy organs from receiving unnecessary radiation.

Some advantages of Trilogy include:

  • RapidArc® technology delivers radiation therapy using focused, sculpted beams of radiation to the tumor while helping to protect the adjacent healthy tissue.
  • IMRT is used to modulate the radiation beam to different levels of intensity, contouring the radiation beam to the shape of the tumor.
  • Allows us to deliver a 20 percent higher dose, which can shorten stereotactic treatment times by up to 75 percent.
  • IGRT enables us to gate the radiation to a moving target, which can allow for accurate radiation treatment for tumors that move during breathing.

Trilogy® medical animation