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  2. Dose fractionation - Wikipedia

    en.wikipedia.org/wiki/Dose_fractionation

    Dose fractionation effects are utilised in the treatment of cancer with radiation therapy. When the total dose of radiation is divided into several, smaller doses over a period of several days, there are fewer toxic effects on healthy cells. This maximizes the effect of radiation on cancer and minimizes the negative side effects. A typical ...

  3. Radiation therapy - Wikipedia

    en.wikipedia.org/wiki/Radiation_therapy

    Radiation therapy (RT) is in itself painless, but has iatrogenic side effect risks. Many low-dose palliative treatments (for example, radiation therapy to bony metastases) cause minimal or no side effects, although short-term pain flare-up can be experienced in the days following treatment due to oedema compressing nerves in the treated area ...

  4. Gray (unit) - Wikipedia

    en.wikipedia.org/wiki/Gray_(unit)

    In radiation therapy, the amount of radiation applied varies depending on the type and stage of cancer being treated. For curative cases, the typical dose for a solid epithelial tumor ranges from 60 to 80 Gy, while lymphomas are treated with 20 to 40 Gy.

  5. Orders of magnitude (radiation) - Wikipedia

    en.wikipedia.org/.../Orders_of_magnitude_(radiation)

    Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.

  6. Cancer treatment - Wikipedia

    en.wikipedia.org/wiki/Cancer_treatment

    The goal of radiation therapy is to damage as many cancer cells as possible, while limiting harm to nearby healthy tissue. Hence, it is given in many fractions, allowing healthy tissue to recover between fractions. Radiation therapy may be used to treat almost every type of solid tumor, and may also be used to treat leukemia and lymphoma ...

  7. Rad (radiation unit) - Wikipedia

    en.wikipedia.org/wiki/Rad_(radiation_unit)

    Therapeutic doses of radiation therapy are often given and tolerated well even at higher doses to treat discrete, well-defined anatomical structures. The same dose given over a longer period of time is less likely to cause ARS. Dose thresholds are about 50% higher for dose rates of 20 rad/h, and even higher for lower dose rates. [4]

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