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Doctor insights on: Radiation Therapy

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Dr. Bahman Daneshfar
274 doctors shared insights

Radiation Therapy (Overview)

Radiation therapy is a common cancer treatment with the potential to have harmful side effects on a patient or her child.


Dr. Reza Shirazi
Board Certified, Radiation Oncology
15 years in practice
681K people helped
1

1
What is radiation therapy?

Dr. Reza Shirazi
Board Certified, Radiation Oncology
15 years in practice
681K people helped
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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Dr. Adam Smith
Board Certified
12 years in practice
381K people helped
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Dr. Adam Smith
Board Certified
12 years in practice
381K people helped
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Dr. Bahman Daneshfar
274 doctors shared insights

Radiation Therapy (Overview)

Radiation therapy is a common cancer treatment with the potential to have harmful side effects on a patient or her child.


Dr. Barry Rosen
Board Certified, General Surgery
29 years in practice
24M people helped
2

2
Can you tell me exactly when is radiation therapy used to treat cancer and when is chemotherapy used?

Dr. Barry Rosen
Board Certified, General Surgery
29 years in practice
24M people helped
Can you tell me exactly when is radiation therapy used to treat cancer and when is chemotherapy used?

Local v. Systemic Rx: Cancer rx involves treating the organ where the cancer developed (local rx) as well as any cancer cells that may have broken away from the organ of origin and travelled elsewhere in the body (systemic rx). In general, surgery and radiation therapy are local rx whereas chemotherapy is designed to circulate throughout the body and kill cancer cells. Ideally, these 3 modalities work together for cure. ...Read more

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Dr. Adam Smith
Board Certified
12 years in practice
381K people helped
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Dr. Adam Smith
Board Certified
12 years in practice
381K people helped
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Dr. Andrew Turrisi
Board Certified, Radiation Oncology
42 years in practice
10M people helped
3

3
What is the definition or description of: external beam radiation therapy?

Dr. Andrew Turrisi
Board Certified, Radiation Oncology
42 years in practice
10M people helped
What is the definition or description of: external beam radiation therapy?

Radiation can be: Delivered internally, using unsealed liquid sources or pellets or seeds implanted temporarily or permanently. More commonly, it is delivered by a machine that aims beams from the outside at targets located internally, and passes through healthy cells on entry and exit, as the # of beams increase, and focus on the target, the dose to healthy tissue diminishes. Ebrt is common. ...Read more

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Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
4

4
Is radiation therapy painful?

Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
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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Dr. Adam Smith
Board Certified
12 years in practice
381K people helped
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Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
5

5
Is there a way to tell if my radiation therapy is working?

Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
Is there a way to tell if my radiation therapy is working?

Not always: This depends on if you can see or feel the cancer physically or your doctor sees the tumor on setup x-rays. In these cases you could see the tumor shrinking and as such it is working. In many cases we are treating cancer that are too small to see even on x-rays and the therapy is based in studies that have shown radiation will work. Over time you are examined and xrayed to verify how it worked. ...Read more

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Dr. Myron Arlen
Board Certified, Surgical Oncology
59 years in practice
2M people helped
6

6
Can you tell me about chemotherapy, radiation therapy, targeted therapies, and transplantation.?

Dr. Myron Arlen
Board Certified, Surgical Oncology
59 years in practice
2M people helped
Can you tell me about chemotherapy, radiation therapy, targeted therapies, and transplantation.?

All to treat cancer: Various approaches are employed to manage Ca, especially those with metastasis. Chemo is most commonly employed targeting cell cycle and DNA repair mechanisms. Radiation is also used to attack large inop tumors or residual tumor in the tumor bed. Target therapies are usually immunogenic agents targeting various growth factors and immunogenic proteins. Transplantation replaces damaged marrow ...Read more

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Dr. Jonathan Tay
Board Certified, Radiation Oncology
25 years in practice
63K people helped
8

8
Is radiation therapy safe when the patient is has a vp shunt?

Dr. Jonathan Tay
Board Certified, Radiation Oncology
25 years in practice
63K people helped
Is radiation therapy safe when the patient is has a vp shunt?

Yes: There should be no consequence of having a vp shunt during radiation therapy. ...Read more

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Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
9

9
If I have colon cancer and get radiation therapy, can I safely have sex with my husband?

Dr. Bahman Daneshfar
Board Certified, Radiation Oncology
28 years in practice
1M people helped
If I have colon cancer and get radiation therapy, can I safely have sex with my husband?

Yes: Once you leave the radiation room there is no radiation left in you to effect your husband. As long as you do not have discomfort in the abdomen, pelvis or genitals there is no reason you can not have sex. ...Read more

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Dr. Brian Lawenda
Board Certified, Radiation Oncology
19 years in practice
286K people helped
10

10
Is it dangerous for a pregnant woman to go near someone that is undergoing cancer radiation therapy?

Dr. Brian Lawenda
Board Certified, Radiation Oncology
19 years in practice
286K people helped
Is it dangerous for a pregnant woman to go near someone that is undergoing cancer radiation therapy?

Typically, no: The most common way people receive radiation therapy is with external beam treatment. If this was the case, there is no risk of radiation exposure to anyone after each treatment session. It is very similar to getting an x-ray. If there was any implanted radiation or ingested or injected radiation, there may be concerns of radiation exposure. If you are not certain of the type of radiation, ask. ...Read more

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Dr. Adam Smith
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12 years in practice
381K people helped
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