Radiotherapy in Cancer Treatment: Diagnosis and Therapeutic Applications in Radiation Oncology

Radiotherapy in Cancer Treatment

Cancer is a fatal disease affecting millions of people worldwide and can be controlled through early diagnosis and effective treatment methods. One of the methods used in cancer treatment is Radiotherapy, which falls within the field of Radiation Oncology. This treatment method is a process in which high-energy radiation beams are used to prevent cancer cells from growing and spreading. In this article prepared for you, we will examine what radiotherapy is, why it is applied, and its benefits.

What is Radiotherapy (Radiotherapy)?

Radiotherapy is a method used in the treatment of cancer patients and is part of the field of radiation oncology. Radiotherapy damages the DNA of cancer cells by sending high-energy radiation beams to them, thereby stopping cell division and growth. This treatment helps reduce tumors and causes cancer cells to die. Radiotherapy can be applied by sending radiation from outside (external radiotherapy) or by placing radioactive material directly on cancer cells (brachytherapy).

Why is Radiotherapy Applied?

Radiotherapy can be used for different purposes in cancer treatment. The main reasons are as follows;

• It can be used for curative purposes. Radiotherapy can be used as a treatment aimed at completely eliminating cancer. In this case, radiation beams target the tumor and surrounding cancer cells.

• It can be used as adjuvant therapy. Radiotherapy can be applied in addition to other cancer treatments such as surgery or chemotherapy. In this way, the effectiveness of treatment is increased and the risk of cancer recurrence is reduced.

• It can be used for palliative therapy purposes. Radiotherapy can be used as a treatment that does not aim to completely eliminate cancer but aims to improve the patient's quality of life. In this case, radiation beams are used to relieve pain, control symptoms such as bleeding and obstruction.

What are the Benefits of Radiotherapy?

Radiotherapy has many benefits. These can be listed as follows;

• It helps reduce tumors and causes cancer cells to die by targeting cancer cells.

• When applied before surgery, it can help the surgeon remove the tumor more easily and safely by reducing the size of the tumor.

• When applied after surgery, it reduces the risk of cancer recurrence by killing remaining cancer cells.

• When used together with other cancer treatments such as chemotherapy, it increases the effectiveness of treatment.

• When used as palliative therapy, it improves the patient's quality of life, relieves pain, and controls other symptoms.

Radiotherapy plays an important role in cancer treatment and is an effective method. Radiotherapy helps reduce tumors and causes cancer cells to die by targeting cancer cells. Additionally, by being used together with other cancer treatments, it increases the effectiveness of treatment and improves patients' quality of life.

What are the Side Effects of Radiotherapy?

Radiotherapy is a treatment method in which high-energy radiation is used to destroy cancer cells. This treatment works by stopping the growth of cancer cells or killing cancer cells. However, radiotherapy can also damage healthy cells, so various side effects can occur. The side effects of radiotherapy vary depending on the area being treated, the radiation dose, and the person's general health. Some common side effects of radiotherapy can be briefly explained as follows;

Radiotherapy can cause reactions in the skin of the treated area such as redness, rashes, itching, and a burning sensation. Skin reactions usually occur during the treatment process and heal gradually after treatment is completed.

Fatigue is commonly experienced during and after radiotherapy. This occurs due to the body's response to radiation and the process of reorganizing energy resources.

Radiotherapy can damage cells in the stomach and intestines. This can lead to digestive problems such as nausea, vomiting, diarrhea, and constipation.

Radiotherapy can damage cells in the bone marrow, which leads to a decrease in blood cell production. This condition can lead to symptoms such as increased vulnerability to infections, easy bruising, and fatigue.

Radiotherapy can cause loss of appetite and changes in eating habits, which can result in weight loss.

When radiotherapy is applied to reproductive organs, it can cause sexual dysfunction and infertility.

The above side effects are considered acute side effects of radiotherapy and heal shortly after treatment. However, in some cases, long-term side effects of radiotherapy may also occur. These side effects may include permanent skin changes, permanent hormonal imbalances, and rarely radiation-induced secondary cancers.

How is Radiotherapy Applied?

Radiotherapy is applied by radiation oncologists and the treatment process includes the following steps;

Prior to radiotherapy, doctors obtain images of the patient's tumor and surrounding healthy tissues. These images help ensure that radiation is applied in the correct direction and dose.

Before treatment, patients undergo a process called simulation. In this process, the patient's treatment position is determined and markings are made on the skin. These markings help direct the radiation to the correct area.

Radiotherapy is usually applied in sessions lasting several weeks, typically 5 days a week. During the treatment process, patients lie in front of the radiation machine and are guided by radiation oncologists. The radiation is directed toward the area where the tumor is located and is carefully controlled to avoid damaging healthy tissues.

After radiotherapy is completed, patients need to have regular follow-up visits. During these visits, doctors evaluate the patient's side effects and the effectiveness of the treatment.

What are the Types of Radiotherapy?

Radiotherapy is divided into types according to the method of application and the source of radiation. Briefly, they are as follows;

External radiotherapy: In this type of radiotherapy, the radiation source is outside the patient, and radiation is directed toward the area where the tumor is located. External radiotherapy includes techniques such as 3-dimensional conformal radiotherapy (3D-CRT), intensity-modulated radiotherapy (IMRT), and proton therapy.

Internal radiotherapy (brachytherapy): In this type of radiotherapy, the radiation source is placed directly inside or near the tumor. Internal radiotherapy is divided into two types: low-dose-rate (LDR) brachytherapy and high-dose-rate (HDR) brachytherapy.

Systemic radiotherapy: In this type of radiotherapy, radioactive medications are used and these medications are taken intravenously or orally. Systemic radiotherapy includes techniques such as radioactive iodine therapy and radioactive antibody therapy.

Each type of radiotherapy is selected depending on the type and stage of cancer and the patient's general health. Radiotherapy can be applied alone or in combination with other cancer treatments.

How Long Does Radiotherapy Take?

Radiotherapy is a common method used in treating cancer and other diseases. This treatment aims to stop the growth and proliferation of cancer cells by damaging their DNA. The duration of radiotherapy varies depending on the patient's condition, the area being treated, the type of radiation used, and other factors.

Radiotherapy is usually planned for 5 days a week and can last several weeks. Each session lasts approximately 15-30 minutes, but this duration varies from patient to patient. During radiation application, patients usually do not feel any pain or discomfort.

The duration of radiotherapy is determined based on the stage of the disease, the type of cancer, and the patient's general health condition. For example, in early-stage cancers, the duration of radiotherapy may be shorter, while in advanced-stage cancers, longer-term treatment may be required. Additionally, when radiotherapy is combined with other treatment methods, the treatment duration may change.

Doctors try to keep the duration of radiotherapy as short as possible to minimize damage to healthy cells. Therefore, the duration and dose of radiotherapy should be carefully planned according to the patient's condition and treatment goals.

Does Radiotherapy Damage Organs?

Although radiotherapy aims to treat cancer cells by targeting them, it can sometimes damage healthy cells. This can lead to side effects of radiotherapy. However, the damage radiotherapy causes to organs can be minimized through precautions taken during the treatment process and technological advances.

In radiotherapy application, doctors and radiation oncologists use special techniques to ensure that radiation focuses on cancer cells as much as possible. These techniques help reduce the damage radiotherapy causes to healthy tissues and organs.

The side effects of radiotherapy may vary depending on the area being treated and the radiation dose used. Some patients experience mild side effects during or after treatment, while others may experience more severe side effects. The side effects of radiotherapy may include;

• Skin redness, dryness, or itching,

• Fatigue,

• Nausea and vomiting,

• Loss of appetite,

• Weakening of the immune system,

The damage radiotherapy causes to organs usually heals gradually after treatment is completed. However, in some cases, permanent damage can also occur. For example, radiotherapy used in lung cancer treatment can increase the risk of permanent fibrosis (tissue hardening) in lung tissue.

Radiotherapy can damage organs, but through precautions taken during the treatment process and technological advances, this risk can be minimized. Patients should maintain close communication with their doctors and radiation oncologists during radiotherapy to minimize side effects and potential risks.

Radiotherapy Treatment Prices in Turkey

Turkey has succeeded in making a name for itself in the world through its investments and efforts in healthcare. Particularly, the latest technological devices used in diagnostic and treatment procedures have brought hope for many diseases. Additionally, there has been an increase in health tourism to Turkey.

• Hospitals being large, clean, spacious, and fully equipped with technological devices,

• Turkish doctors being specialist, successful, and talented in their field,

• Nurses and caregivers being friendly and compassionate,

• Quick and accurate answers to questions asked,

• All staff, including the intermediary company involved with the patient, being patient and understanding,

• Turkey offering natural and historical attractions along with vacation opportunities,

• Easy transportation,

• Medical diagnosis, treatment, accommodation, food, beverages, clothing, and vacation needs being available at affordable prices,

are among the reasons for preference. Regarding Radiotherapy Treatment Prices in Turkey, we can see that patients and their relatives who want to come to Turkey are doing research. However, it would not be appropriate to provide a definitive price quote at this stage. Many factors such as the type and stage of the disease, the diagnostic process, the treatment process, and the duration of stay in Turkey affect pricing. If you would like to obtain more detailed price information, you can contact us. Additionally, if you come to Turkey for treatment through our mediation, we can facilitate your visa application process with an invitation letter sent to the consulate by us.