Advanced radiation therapy using cutting-edge technology to precisely target cancer cells while preserving healthy tissue for optimal outcomes.
Radiation oncology is a specialized field of cancer treatment that uses high-energy radiation to destroy cancer cells, shrink tumors, and control the spread of malignant disease. This therapy works by damaging the DNA of cancer cells, preventing them from growing and dividing. Radiation oncology plays a critical role in modern cancer care and is often used alone or in combination with other treatments such as surgery, chemotherapy, or targeted therapies. Radiation oncologists are specially trained doctors who plan and deliver radiation treatments with precision, ensuring that cancerous tissues are treated effectively while minimizing exposure to surrounding healthy organs.
Radiation therapy is used to treat many different types of cancers, including cancers of the breast, prostate, lung, brain, head and neck, cervix, and gastrointestinal tract. In some cases, it is used as the primary treatment to eliminate cancer, while in others it may be given before surgery to shrink tumors or after surgery to destroy any remaining cancer cells. Radiation therapy can also be used for palliative care, helping relieve symptoms such as pain, bleeding, or pressure caused by advanced tumors.
Modern radiation oncology relies on advanced technologies that allow highly precise targeting of tumors. Common techniques include external beam radiation therapy, intensity-modulated radiation therapy (IMRT), image-guided radiation therapy (IGRT), stereotactic radiosurgery (SRS), stereotactic body radiation therapy (SBRT), and brachytherapy, where radiation is delivered directly inside or near the tumor. These technologies enable doctors to deliver effective doses of radiation while protecting nearby healthy tissues.
Treatment in radiation oncology is carefully planned using detailed imaging studies such as CT scans, MRI, and PET scans to map the exact location of the tumor. Each treatment plan is customized to the patient’s condition, cancer type, and treatment goals. With continuous advancements in radiation technology and treatment planning, radiation oncology plays a vital role in improving cancer control, reducing treatment side effects, and enhancing the overall outcomes for patients undergoing cancer care.
Explore procedures, recovery times, and what to expect from each treatment
Gamma Knife radiosurgery is a non-invasive form of stereotactic radiation that uses many finely focused beams to treat targets inside the brain in a single session. It is used for selected brain tumours, vascular malformations and certain functional disorders such as trigeminal neuralgia.
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Brachytherapy is a type of internal radiation therapy in which a radioactive source is placed inside or close to a tumour. It is used to treat cancers of the prostate, cervix, uterus, breast, skin, and other sites, either alone or alongside surgery, external radiation, or chemotherapy.
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Radiation therapy uses high-energy beams or radioactive sources to destroy cancer cells. It is used to cure some cancers, shrink tumours before surgery, prevent recurrence after surgery, or relieve symptoms. Several techniques exist, and the right plan depends on the cancer type, location, and overall treatment goals.
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CyberKnife radiosurgery is a non-invasive, robotic form of stereotactic radiation that delivers highly focused beams to tumours in the brain, spine, lung, prostate, liver, and other sites. It is typically completed in 1 to 5 sessions without incisions or general anaesthesia, and is one of several radiation options a radiation oncologist may consider.
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Proton beam therapy is a precise form of external radiation therapy that uses protons instead of X-rays to treat cancer. Because the proton beam stops at a controlled depth, it can reduce radiation to healthy tissue near the tumour. It is used for selected brain, skull base, paediatric, prostate, and other tumours.
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Stereotactic body radiation therapy (SBRT) is a highly precise form of external radiation that delivers a strong dose to a small tumour in just one to five sessions. It is used for selected cancers of the lung, liver, prostate, spine, and other sites, and for limited metastases. Planning, delivery, and follow-up are all carefully coordinated.
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IMRT (intensity-modulated radiation therapy) is a precise form of external-beam radiation used to treat many cancers. It shapes the radiation dose to match the tumour while sparing nearby healthy tissue, and is typically delivered with daily image guidance over several weeks.
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Intraoperative radiation therapy (IORT) delivers a single, focused dose of radiation directly to the tumour bed during cancer surgery, while healthy tissues are shielded or moved aside. It is used in selected breast, colorectal, pancreatic, sarcoma and gynaecologic cancers, often alongside other treatments.
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Plaque brachytherapy is a form of radiation treatment for eye cancers, most often uveal (choroidal) melanoma. A small radioactive disc is stitched temporarily onto the outside of the eye to deliver focused radiation to the tumour while sparing surrounding tissue, offering an eye-preserving alternative to removal of the eye.
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Stereotactic radiosurgery (SRS) is a highly focused, non-invasive radiation treatment used mainly for brain tumours, arteriovenous malformations, and certain nerve conditions. It delivers a precise dose to a small target, often in a single session, while sparing nearby healthy tissue.
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Total Body Irradiation (TBI) is a specialised form of radiation therapy that treats the entire body. It is most often used as part of conditioning before a bone marrow or stem cell transplant, to suppress the immune system and clear remaining disease. TBI is delivered over several sessions and has both short and long-term effects that need careful follow-up.
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