Radiation oncology uses targeted radiation therapy to treat cancer and certain non-cancerous conditions. Radiation oncologists design treatment plans using techniques such as external beam radiation, brachytherapy, and stereotactic radiosurgery to destroy cancer cells while minimizing damage to surrounding tissue.
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A radiation oncologist specializes in using radiation therapy to treat cancer. They design individualized treatment plans, determine radiation doses and delivery methods, manage treatment side effects, and coordinate care with surgeons and medical oncologists.
Types include external beam radiation therapy using machines like linear accelerators, brachytherapy where radioactive sources are placed inside or next to the tumor, stereotactic body radiotherapy for precise small-area treatment, and proton beam therapy for targeted dose delivery.
Side effects depend on the treatment area and may include skin irritation, fatigue, nausea if treating the abdomen, difficulty swallowing if treating the head and neck, and hair loss in the treated area. Most side effects are temporary and resolve after treatment ends.
A typical course of external beam radiation therapy involves daily sessions lasting 15 to 30 minutes, five days a week, for three to seven weeks. Stereotactic treatments may require only one to five sessions. Treatment duration depends on cancer type and stage.
Yes, online consultations are useful for reviewing pathology and imaging reports, understanding treatment options, getting second opinions, discussing potential side effects, and post-treatment follow-up care.