MR Linac
Overview
MR-LINAC can irradiate and destroy the tumors, which are located in organs that move during treatment, with pinpoint accuracy. The nearby healthy tissues are meticulously spared while irradiating the tumor.
MR-LINAC is a “smart radiotherapy” technique that targets the tumor using special imaging modalities and measurements and uses radiation to destroy tumors. MR-LINAC has far developed equipment comparing to conventional radiotherapy and provides the radiation oncologists and patients with new and important gains thanks to MR (Magnetic Resonance) integrated to radiotherapy.
The radiation beams are accurately focused on tumor that is destroyed very precisely even when the tumor moves during treatment, for example when the patient breaths. Radiation oncologist can see the tumor clearly, similar to a surgeon who sees the tumor during surgery, and delivers the dose to destroy the tumor in a meticulous manner like a surgeon.
Features
While the linear accelerator can be employed for all types of tumors, it is far more useful in tumors of pancreas, lung, prostate and abdominal organs well as hepatic metastases and liver cancers.
Successful outcomes are obtained in pancreatic cancer in treatments that follow MR-LINAC therapy. It is reported that the success rate has increased from 10 percent to 90 percent.
It is thought that MR-LINAC can be used for other tumors, which is regarded as a huge revolution in treatment. The targeted dose for a tumor at visualized location can be adjusted with this method. Therefore, treatment can be better performed.
- Pancreatic cancer
- Inoperable pancreatic cancer
- Limitedly operable pancreatic cancer
- Colon cancer
- Colorectal cancers
- Pelvic tumors
- Cervical cancer
- Endometrial cancer
- Intrauterine cancer
- Liver cancer
- Liver metastases
- Rectal cancers
- Inoperable rectal cancers
- Kidney cancer
- Adrenal metastases
- Adrenal cancers
- Adrenal gland metastases
- Adrenal gland cancer
- Renal tumors
- Lung cancer
- Stomach cancer
- Esophageal tumors
- Prostate cancer
- Early-stage prostate cancer
- Low-risk prostate cancer
- Breast cancer
- Early-stage breast cancer
- Abdominal tumors
- Hepatobiliary cancers
- Hepatocellular carcinoma
- Sarcoma of soft tissue
- Vaginal cancer
- Renal cell cancers
- Urinary bladder cancers
- Abdominal cancers
- Abdominal mass lesions
- Fallopian tube cance
How to Apply?
After a planning CT is scanned, MRI is scanned and treatment is planned with MR-LINAC device. When the patient lies on the device, first, MRI is scanned and location of tumor is determined. Location of tumor and organs is determined again to verify existing anatomic structure and thus, dose distribution is checked for that day. If the treatment does not continue according to the plan, treatment is re-planned and started.
In this method, it is very important to image the target in pinpoint shooting. This can only be achieved with MRI. There are headphones to reduce the noise of MRI scanner during the treatment.
MR-LINAC enables physicians adjust instant doses by visualizing movements of the tumor and healthy organs. All these procedures are performed while the patient lies on the treatment table. The procedure is performed without exposing the patient to extra ionized radiation.
The radiation beams are accurately focused on tumor that is destroyed very precisely even when the tumor moves during treatment, for example when the patient breaths. When the patient is asked to hold breath, breathing can be directed with the images on camera. Treatment can last 20 to 60 minutes.
Available at These Hospitals
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