National Cancer Center


Ever since its inception in 2000, the National Cancer Center has persevered to lessen the burden of cancer for Koreans by conducting and offering assistance to cancer research, diagnosing and treating cancer patients, assisting in the National Cancer Control Initiatives, and finally, educating and training cancer specialists. Moreover, the NCC is aggressively backing “The 3rd National Cancer Control Plan (2016)” by devising cancer control policies, promoting cancer research in Korea, and by strengthening the cooperative network forged between Korean cancer-specialized medical institutions and international organizations.


<Proton Therapy Center>

What is Proton Therapy?

Proton Therapy is a type of radiotherapy. Radiotherapy uses X–rays or electron beams to destroy cancer cells. X–rays, which are mostly used in radiotherapy, also damage neighboring healthy cells. Proton beams, unlike X–rays, release most of their energy when they reach the tumor cells. After this point, their energy decreases dramatically. The location where the most energy is released is called the ‘Bragg Peak’.
The location of the Bragg Peak varies according to the strength of the beam and the tissues it passes through. By controlling the strength of the proton beam, we can precisely target the tumor and destroy it.

What makes Proton Therapy different?

Conventional X-rays affect all of the tissues along the beam path. However, using proton beams, we can carefully control the radiation to ensure that most of the energy is released within the tumor tissue. This can minimize damage to healthy tissues located in the beam path.
This picture demonstrates the difference between X-ray and Proton Therapy. Proton Therapy can be used to treat tumors in the craniospinal space and minimizes the radiation dose delivered to the rest of the body.

(a) X–ray and (b) Proton Therapy

Types of tumors treated in Proton Therapy


Step 1 : Leading Specialties / Main Procedures and Services

If you wish to be treated at the National Cancer Center, please send us a copy of your medical records to the coordinator.

Step 2 : Consultation, diagnostic tests, and laboratory tests

Initial consultation, diagnostic tests, and laboratory tests will be performed by your physician

Step 3 : Treatment preparation

While waiting for the laboratory and diagnostic tests, which usually takes about 1 week, we will perform treatment planning and make the aperture and compensator

Step 4 : Patient specific QA (quality assurance) 

Medical physicists verify your treatment plan through the accurate measurement of the proton beam, and determine treatment machine parameters.

Step 5 : Proton therapy 

Treatment sessions generally take 30–40 minutes. Most of the time is devoted to treatment set–up and precise aiming of the beam.

Step 6 : Post-treatment

After completing the full treatment course, the National After completing the full treatment course, the National Cancer Center will provide you with a complete record of radiation treatment and a referral report, to assist follow–up monitoring once you return home.




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