What is radiographic coagulation? Radioembolization?
Radiation embolization (it may be called (or as the name is quoting) also as selective internal radiotherapy) is a cancer treatment in which radioactive particles microsphere are inserted into the tumor through a catheter inserted through the bloodstream, where we benefit from this method by blocking the vessels feeding the tumor and the radioactive particles settle In the tumor, it emits radiation that kills cancer cells Interventional radiotherapy for cancer.
Radiation coagulation has developed Radioembolization in Turkey significantly and has given encouraging results in recent times.
What are the advantages of radiocoagulation therapy? Radioembolization About the usual radiotherapy?
Radioembolization uses ionizing radiation to kill cancer cells and shrink tumors. Radioembolization involves placing a radioactive substance directly into the body. This type of treatment is called Internal radiotherapy.
Unlike external beam radiation therapy, where high-energy X-ray beams are directed at the tumor from outside the body.
As a result of this, radioembolization has many advantages that make it preferable to standard radioactivity treatment, where the side effects are greatly reduced due to the fact that the surrounding tissues are only slightly exposed to radiation, and we can use a radiation dose greater than the usual treatment. In addition, coagulation has Significant effect in reducing the tumor and killing it.
What distinguishes this treatment from other (non-surgical) treatments? Like chemotherapy or surgical) is that we do not need a surgical incision, but it is a simple entrance to insert the catheter, and that this method can allow patients who are stubborn to other treatments to live longer or even suppress the tumor.
What are the cases in which radio-coagulation is used? Radioembolization?
Radioembolization is often used in the treatment of Hepatocellular Tumors However, it is also used in patients who do not respond to other treatments or whose health condition does not allow them to undergo more severe treatments.
Radiation coagulation can be used to:
- Metastatic (most common) colorectal cancer
- biliary tract cancers
- Breast and lung cancer (if liver metastases are present)
- endocrine tumors
It should be noted that usually people with severe liver disease, abnormal blood flow between the liver and lungs, or acute kidney failure are not eligible for radioembolization.
What are the preparations before radiographic coagulation? Radioembolization in Turkey?
Several tests are performed before radioembolization, where the patient consults a radiologist in Turkey about the operation, its duration and side effects, and if the decision to perform the operation is made byFor advanced or interventional radiotherapy (Advanced Radioactivity Treatment) The doctor performs several tests to ensure that the process is going properly.
A computerized tomography (CT) scan is performed on the patient to confirm the location of the tumor and its metastases and to determine the target section.
Some blood tests are done to ensure the integrity of the coagulation cascade (the safety of blood clotting factors) in the patient and to check the number of platelets and other blood cells, where a complete blood count (CBC) is taken, and the kidney function is investigated to ensure the patient's readiness for the operation.
The doctor must be informed about any diseases or if there is a pregnancy so that the doctor can take the necessary measures to reduce any side effects.
In order to know the arteries feeding the target tumor, a contrast angiogram must be done, where the doctor inserts a catheter through the arterial path (usually the femoral artery) to the desired place and injects the contrast material and sees on the screen the arteries entering and leaving this area and blocks them to make sure that radiation does not reach the neighboring areas.
Some tests must be done to make sure that there is no diversion (or blood connection) between the liver and the lungs.
How is radiological coagulation performed? Radioembolization in Turkey?
The operation is often performed after the contrast angiography, about a week to ten days. Before the operation, we need to repeat the contrast angiography to ensure the success of coagulation (blockage with small bacilli) of the arteries.
Transarterial radioembolization can be done under general or local anesthesia, and some intravenous sedatives are given if we are satisfied with local anesthesia.
The doctor enters Catheter through an artery (usually femoral or from the wrist) and continues with the catheter until it reaches the site of the tumor, then it injects the microsphere loaded with the radioactive isotope (Yttrium 90 (Y90) and during the next two weeks this isotope will be released from the small particles and destroy the tumor cells and reduce the size of the tumor Tumor.
After the doctor has finished injecting the particles, he will withdraw the catheter and cover its entry point.
The operation as a whole takes about one to two hours, and if the artery used is the femoral artery, the patient needs to stay overnight in the hospital.
What are the risks and side effects after radiation coagulation? Radioembolization?
Radioembolization is a safe process, as there are hardly any symptoms, but radioactivity treatment and the resulting radiation (especially since yttrium particles remain in the patient's body) can cause some problems in patients treated with Radioembolization These problems include:
- abdominal pain
- Vomiting and dizziness (post-embolism syndrome)
- Fatigue and tiredness
- Lever Inflammation
- Lung damage (if the absence of a blood connection between the lung and liver is uncertain)
Radiation protection after radiotherapy Radioembolization in Turkey
To ensure the protection of the patient's family and those around him, the doctor must instruct the patient to follow some steps to ensure that no one is exposed to the radiation risk resulting from the radioembolization process.
Where the patient should avoid meeting any child, elderly or pregnant woman during the first periods after the operation (especially the first week) and should not sit next to another person, regardless of their age, for more than two hours.
Sleeping with a life partner for the first two weeks or having sex should also be avoided so that the partner is not harmed by radiation.
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Frequently Asked Questions About Radioembolization In Turkey
Why do we use radioembolization?
We use radioembolization to treat tumors that do not respond to other methods or that the patient cannot undergo any other treatment, and the efficacy of this method often appears in liver cancers.
What is Radioembolization?
It is a method in which radiotherapy with coagulation is used to shrink a tumor and kill cancer cells, and is useful in relieving the broad side effects of other treatments.
Is Radioembolization Dangerous?
Radioembolization has a negligible risk rate compared to other treatment methods, but the doctor must advise the patient to ensure his safety and the safety of his companions and the people around him, and as a result of Turkey's recent development in the field of interventional radiology, especially radiocoagulation, the risk has decreased by a high percentage.