Dosimetry measures radiation dose, ensuring safety in radiological protection, nuclear medicine, and occupational environments through calculations.
Human Body Imaging
Radiation therapy (radiotherapy) is a crucial component in comprehensive cancer treatment. This non-invasive treatment method employs high-energy radiation beams to eradicate malignant cells, disrupt their DNA, and halt tumour growth. Since its inception in the early 20th century, radiotherapy has significantly advanced, evolving into a highly targeted and effective cancer treatment option. Estimates almost half of all cancer patients will receive radiation treatments at some point during their treatment journey.
Types of Radiation Therapy:
Radiation therapy can be used in various clinical settings, either as a standalone treatment or in combination with other modalities such as surgery, chemotherapy, and immunotherapy. Treatment choice depends on the cancer type, stage, location, and the patient’s overall health.
Adjuvant therapy is often employed as an adjuvant treatment following surgery to eliminate any remaining tumour cells and reduce the risk of recurrence.
Palliative therapy is where the cancer is too advanced or cannot be entirely removed; radiotherapy can relieve symptoms such as pain and improve the patient’s quality of life.
Radiotherapy is generally well-tolerated but may have side effects like any medical treatment. These can range from mild skin irritation and fatigue to more severe complications such as tissue damage or secondary malignancies. However, technological advances and treatment planning have significantly reduced these risks, making radiotherapy a safer and more effective option for many cancer patients.
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Proton therapy is a type of radiation therapy that uses protons to treat cancer by targeting tumors with high precision.