Image-guided radiation therapy (IGRT) is an advanced cancer treatment that combines imaging technology with radiation therapy to target tumors more accurately. Doctors use detailed images, such as X-rays or CT scans, to locate the tumor precisely before each session. These images help adjust the radiation beams, ensuring they hit the cancer cells directly while sparing nearby healthy tissue.
IGRT is particularly effective for tumors that move within the body, such as those in the lungs or abdomen. By targeting cancer cells precisely, IGRT reduces the risk of damaging surrounding organs, leading to fewer side effects and improved treatment outcomes. The therapy is often used for various cancers, including prostate, lung, and brain cancer.
Patients typically undergo IGRT in multiple sessions, each guided by the latest tumor images. This approach enhances the effectiveness of radiation therapy and allows doctors to treat cancers more safely and efficiently.RT is especially effective for tumors that move within the body, such as those in the lungs or abdomen. By precisely targeting cancer cells, IGRT reduces the risk of damaging surrounding organs, resulting in fewer side effects and better treatment outcomes. The therapy is often used for various cancers, including prostate, lung, and brain cancer.
Patients usually undergo IGRT in a series of sessions, each guided by the latest tumor images. This approach enhances the effectiveness of radiation therapy and helps doctors treat cancers more safely and efficiently.
IGRT is used to treat many types of cancer. Common cancers treated include:
Lung cancer: Symptoms may include cough, chest pain, and shortness of breath.
Prostate cancer: Symptoms can include urinary problems, pain, and blood in the urine.
Breast cancer: Symptoms include lumps, changes in breast shape, or nipple discharge.
Head and neck cancers may cause difficulty swallowing, lumps, or pain.
IGRT doesn't treat symptoms directly, but it helps shrink tumours and control cancer growth, which can relieve symptoms.
IGRT is not a treatment for specific causes but is used to treat cancer, which can result from:
Genetic mutations: Changes in DNA that promote cancer growth.
Environmental factors: Exposure to harmful substances like tobacco smoke, radiation, or chemicals.
Lifestyle factors: Poor diet, lack of exercise, alcohol use, and tobacco use can increase cancer risk.
Family history: Some cancers are inherited.
Seek medical attention if you experience:
Lumps or growths: Any unusual lumps in the body.
Persistent pain: Unexplained pain that persists and doesn't subside.
Sudden weight changes: Unexplained weight loss or gain.
Unusual bleeding: Blood in urine, stool, or other body parts.
Chronic fatigue: Feeling tired without reason.
If cancer is suspected, a doctor may recommend IGRT as part of the treatment plan after a complete diagnosis.
Before IGRT, doctors will perform several tests to diagnose cancer and create a treatment plan:
Biopsy: A tissue sample is taken to confirm if it is cancerous.
Imaging tests:
CT scans: Detailed images of the inside of the body to locate tumors.
MRI: Clear images of soft tissues to determine the size and location of the cancer.
PET scans: Help detect the spread of cancer in the body.
Blood tests: To check for markers or signs of cancer in the body.
Before IGRT, doctors will perform several tests to diagnose cancer and create a treatment plan:
Biopsy: A sample of tissue is taken to confirm if it is cancerous.
Imaging tests:
CT scans: Detailed images of the inside of the body to locate tumors.
MRI: Clear images of soft tissues to determine the size and location of the cancer.
PET scans: Helps detect the spread of cancer in the body.
Blood tests: To check for markers or signs of cancer in the body.
Do's:
Follow instructions carefully: Always follow your doctor's advice about treatment and positioning.
Stay hydrated: Drink plenty of fluids during treatment to help your body recover.
Eat a balanced diet: Proper nutrition helps support your immune system.
Rest and manage fatigue: IGRT can cause tiredness, so allow time for rest.
Attend all scheduled sessions: Regular treatments ensure the radiation therapy works effectively.
Don'ts:
Don't skip treatments: Missing sessions can reduce the effectiveness of IGRT.
Avoid unnecessary sun exposure: Radiation exposure may make your skin more sensitive.
Don't use lotions or creams on treated areas, Unless approved by your doctor.
Avoid heavy physical activity: Rest your body as needed, especially if you feel fatigued.
Disclaimer:
Our medical content authors have diligently gathered and synthesized information on this topic to offer valuable insights to our readers. Drawing from a range of reputable medical journals and health resources, this content aims to enhance understanding of the subject. It's essential to remember that while this information is informative, it should not replace personalized consultation or treatment from a qualified healthcare professional. For further details, please refer to our Editorial Policy.
For this topic, our authors used some of the following resources:
Mayo Clinic | Image-guided radiation therapy (IGRT)
Radiologyinfo.org | Image-guided Radiation Therapy (IGRT)
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