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Doctor insights on: How Is The Strength Of Radiation Therapy Measured

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How is the strength of radiation therapy measured?

How is the strength of radiation therapy measured?

Rads, Gray (Gy): The gray (symbol: gy) is the si unit of absorbed radiation dose of ionizing radiation (for example, x-rays), and is defined as the absorption of one joule of ionizing radiation by one kilogram of matter (usually human tissue). 1 rad = 0.01 gy. ...Read more

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Gamma Rays (Definition)

This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more


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Can i exercise while i’m having radiation therapy? I exercise almost every day, and i don’t feel right when i don’t. Now i’m about to start radiation therapy. Will i still be able to exercise?

Can i exercise while i’m having radiation therapy? I exercise almost every day, and i don’t feel right when i don’t. Now i’m about to start radiation therapy. Will i still be able to exercise?

Yes: Generally, we recommend maintaining activity during radiation therapy. Fatigue is a common complaint with radiation, active patients tend to do better. Most other symptoms with radiation therapy tend to be related to the area of the body treated. Side effects and overall recommendations would depend on region treated and if chemotherapy is required. Consult with your radiation oncologist. ...Read more

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For what reason aren't patients shielded when they are receiving radiation therapy?

For what reason aren't patients shielded when they are receiving radiation therapy?

Shields are built in: Radiation therapy machines have the shields built in to them. These shape the radiation to fit the area of the body that needs to be treated and protects the rest. Additionally, it takes many inches if lead to block the radiation used for external beam treatment and a person cannot wear a shield thick enough to block the beam. ...Read more

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What is radiation therapy?

Kill cancer by Rads: Use of high energy x-ray typically ( protons, gamma rays etc to name a few other) to cause irreparable damage to a target tumor to destroy the tumor while causing minimal damage to surrounding organs and tissues. ...Read more

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Is radiation therapy painful?

No: Radiation is an x-ray which is invisible and painless. It's side effects depending on where and what organs are being treated could lead to discomfort or pain. ...Read more

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What is radiation therapy useful for?

What is radiation therapy useful for?

To cure some: Cancers (vocal cord, cervix, prostate etc), preserve organs and their functions (sarcoma, h&n, breast, rectums), partner with other treatments to improve risk or prevent recurrence (lymphoma, lung cancer, prophylactic cranial irradiation in small cell). And relieve symptoms to palliate metastasis. ...Read more

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What is the cost of radiation therapy?

Tech + Pro: The equipment and those that run it and plan your treatment and deliver it daily are covered as a medicare technical charge. The doctor the perscibes and monitors is a second aspect. Together technical and professional charges. Each have cpt - codes for charges. The tech charge pays salaries and depreciation costs for equipment. Doc fees for their expertise. ...Read more

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What is the goal of radiation therapy?

Cure or Palliation: Depending on the extent of disease involvement and type of tumor being treated, the goal is either curitive or palliative. ...Read more

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Will someone explain radiation therapy?

Will someone explain radiation therapy?

Radiation therapy: Is the use of x-rays to treat cancer. Radiation works by damaging the dna of dividing cells. Since cancer is uncontrolled cell growth, radiation is more effective on cancer cells than normal cells. Radiation has been used for cancer treatment since the late 1800s. It's use depends on cancer location, type, and stage. Unlike chemotherapy, it is a local treatment that only effects the area treated. ...Read more

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What are the problems of radiation therapy?

Your question is: Impossibly broad. Radiation effects normal tissue function passaged by entry and exit beams, but these vary with the disease treated, region of the body, dose/treatment, total dose, area/volume treated. If the organ is not in the treatment field, it will not be affected. ...Read more

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Dr. Bahman Daneshfar
281 doctors shared insights

Radiation Therapy (Definition)

Radiation therapy is a common cancer treatment with the potential to have harmful side effects on a ...Read more