Image-guided Radiation Therapy (IGRT)
Image-guided radiation sickness therapy ( IGRT ) uses checkup imaging to help provide precise and accurate radiation discussion. It can besides be used to treat tumors in areas that move, such as the lungs. Your doctor will use the IGRT joyride to scan the area being treated prior to treatment delivery. These images will help your doctor of the church set your position and target the radiation to your tumor .
Some IGRT procedures use particular methods, such as fiducial markers or particular techniques such as 4D gate, to help further align and target the area during radiation treatment. They may besides use especial devices to help you hold the like accurate position during each treatment .
Your doctor will conduct a simulation seance and use CT scanning to create reference images before you begin treatment. You may besides have MRI or PET scans to help define the condition and location of your tumor. Your doctor will tell you how to prepare .
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Who will be involved in this procedure?
Radiation therapy requires a treatment team. The team may include a radiation sickness oncologist, therapeutic medical physicist, dosimetrist and radiation therapists. The radiation oncologist decides which therapies to use, in which area ( s ), and the optimum curative radiation dose. Radiation therapists obtain images and deliver daily treatments. The radiation sickness oncology nanny provides information about the treatment and possible side effects. The nurse besides helps manage any treatment reactions or side effects with supervision and steering from radiation oncologists .
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What equipment is used?
IGRT uses a radiation sickness rescue machine with built-in image equipment. Or the image equipment is mounted on the machine or in the treatment room. IGRT may use a detector that tracks gesticulate by identifying markers on your body or electromagnetic transponders placed within .
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Who operates the equipment?
The radiation sickness oncologist will create and supervise the treatment plan. A radiation therapist will operate the equipment .
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Is there any special preparation needed for an IGRT?
Women should constantly tell their doctor and engineer if they are fraught or breastfeed. See the Radiation Safety page for more information about pregnancy, breastfeed, and imaging. Patients with free alloy in their bodies should tell the discussion team if you are to undergo MRI. Patients with pacemakers in their bodies should tell the treatment team if you are to undergo MRI or radiation treatment .
Your sophisticate will implant any necessity markers at least 1-2 weeks before your CT model. Your doctor or the radiation sickness therapist may besides mark or tattoo your skin with colored person ink to help align and target the radiation equipment. Your doctor will let you know anterior to discussion if they prefer you to be fasting or drink water to have full moon bladder .
There is no specific homework for IGRT other than for the specific therapy you will undergo. See the IMRT, Proton Beam Therapy, or SBRT pages for specific cooking information .
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How is the procedure performed?
At the depart of each discussion, the radiation therapists cautiously place you on the treatment sofa. They may use devices to help you keep the like military position. sometimes, you will need to hold your hint for 30 to 60 seconds while the engineer takes a series of images .
On each discussion day, the therapist will inaugural obtain images. The treatment team reviews and compares these images to the pretense images. The therapists may reposition you and take extra images. once your therapists make final adjustments, they will deliver the treatment .
The image-guidance process will add extra time to each treatment session .
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What will I feel during and after an IGRT procedure?
checkup imaging anterior to or during treatment is painless .
During discussion, you may see or hear the equipment moving. Or you may notice an odd smell ( the linear accelerator produces ozone ). You may even see a colored person light up during treatment. This is particularly on-key for brain cancer patients .
Radiation treatment can cause side effects. These problems may result from the treatment itself or from radiation damage to healthy cells in the treatment area.
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The number and badness of side effects will depend on the type of radiotherapy, drug, and soundbox separate under treatment. Talk to your doctor and/or nurse so they can help you manage them .
radiation can cause early and late side effects. early on side effects happen during or right after treatment. They are typically gone within weeks. Common early side effects include tire and hide problems. Skin in the treatment area may become medium, red, irritate, or swollen. other changes include dispassion, rub, undress, and acerb .
Depending on the area under treatment, other early side effects may include :
- hair loss in the treatment area
- mouth problems and difficulty swallowing
- eating and digestion problems
- nausea and vomiting
- soreness and swelling in the treatment area
- urinary and bladder changes
belated side effects may occur months or years following discussion. While they are frequently permanent, they are rare. They include :
- brain changes
- spinal cord changes
- lung changes
- kidney changes
- colon and rectal changes
- joint changes
- mouth changes
- secondary cancer
There is a little risk of developing cancer from radiation therapy. After treatment, your radiation sickness oncologist will regularly check for complications and perennial or new cancers .
IGRT allows doctors to maximize the cancer-destroying capabilities of radiation treatment. At the lapp meter, it allows them to minimize its impression on healthy tissues and any treatment side effects .
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