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Doctor insights on:
Is Chemotherapy Radioactive
1
What is adjuvant chemo?
Adjuvant chemo: Adjuvant chemo is chemotherapy that is given after curative surgical resection of a cancer. It is given to reduce risk of recurrence of cancer. ...Read more
Radioactive (Definition)
Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. Because the nucleus experiences the intense conflict between the two strongest forces in nature, it should not be surprising that there are many nuclear isotopes which are unstable and emit some kind of radiation. The most common types of radiation are called alpha, ...Read more
2
Which radioisotope is now used in cancer radiation treatment?
There are many: Isotopes in use for cancer and benign disease treatment - the list goes from the original radium being re-tooled for prostate treatment to iodine isotopes, 131 for thyroid conditions and 125 as a sealed source for prostate brachytherapy. Narrow your question and i can be very specific. ...Read more
3
Is radiation therapy used to cure liver cancer?
Yes: High dose targeted radiation known as stereotactic body radiotherapy (sbrt) has shown to be successful in treating liver cancer. ...Read more
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4
Can
Radiotherapy be used for metastic colon cancer if chemotherapy is resistant ?
Not often: Radiotherapy can be useful in certain select cases where the Cancer is localized to one or two spots only. This means 1 patient in 5 may be suitable candidate. But you need to seek consultation with a radiation oncologist before you can get a clear cut answer for your circumstances. ...Read more
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5
What is cancer chemotherapy?
Complicated: Chemotherapy is a broad term used to describe a variety of several types of medications used to treat cancer. The medicines may each function quite differently, affect cancer cells and other body cells differently, and are tailored as much ad possible for each person & each type of cancer. ...Read more
6
How is the rai dosage determined for metastatic papillary thyroid cancer?
Several factors: Amount of rai dose is caliculated , based on several factors, age, sex, body weight , extent of disease, blood levels reaching less than bone marrow toxic dose of lees than 200 rad . Dose varies li greater than 1.10 (30mci) most of the doctors will not bother to know as the expert radiotherapists doctors who are specially trained will calculate and administer ri. ...Read more
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7
When is radiation therapy used in treating cancer and when is chemotherapy used?
Depends: In general, in advanced stage of cancer, where the cancer has spread to distant organ- chemo would be the primary therapy. Palliative radiation can be used to relieve pain, obstruction, stops bleeding etc. In more localized disease, radiation is used as a single tx or combination with chemo either to cure (if surgery can't be done); or before or after surgery. Please d/w your oncology team. ...Read more
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8
How effective is radiation therapy in treating pituitary tumors?
85-90%: Depending on size, type and proximity to optic nerves a combination of surgery and radiation is used to treat this condition. Radiation can be given as radiosurgery in 1-5 fractions or as fractionated. Control rate is very good. ...Read more
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9
How effective is radiation in cancer treatment?
It depends: Radiation therapy effect depends on the type of cancer, and the desired outcome. Sometimes radiation is used to help cure cancers. Other times it is used to palliate (or decrease) symptoms of an otherwise incurable cancer. ...Read more
10
How effective is radiation therapy on bone metastases?
Very: Radiation is the treatment of choice for bone mets its very effective palliative therapy for cancer with bone mets. ...Read more
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11
Is it possible that radiation therapy cure/kill cancer of the liver ?
Not usual mode: Of treatment. A focused beam of radiation may be used to kill cancer in the liver, but surgery and drugs are the usual treatment. The likelihood of cure is low with radiation. See this site for more info. http://www.mayoclinic.com/health/liver-cancer/ds00399/dsection=treatments-and-drugs. ...Read more
12
Which chemo therapy is most effective for KRAS mutant metastic colon cancer ?
Same drugs as other: Same chemotherapy drugs are used for treating both types of colon cancer. The only difference is lack of benefit from EGFR inhibitors(Cetuximab and Panitumumab). Avastin (bevacizumab) also works in both types. I trust that you know there are 3 chemo drugs that are widely used(5FU or Capecitabine, Irinotecan and Oxaliplatin) ...Read more
13
How beneficial is radiotherapy compared to conventional radiotherapy for brain tumors?
Very: I'm assuming you are talking about stereotactic radiotherapy. Think of each area of your brain being exposed to only one beam of radiation but the tumor getting the focused beam of radiation. It's very effective and tolerated well. ...Read more
14
How effective is radiation for bone metastases?
Good: Radiation therapy is quite effective in palliation of bone metastasis. ...Read more
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15
What is cure rate for dcis, nuclear type3 post lumpectomy and radiation treatment?
High cure rate: The prognosis for dcis after lumpectomy and adjuvant radiation therapy is great. The average cure rate is more than 95% (of course small tumor size, low grade, clear margins tend to ahve better outcome than high grade or positive margins). At your age (46 yo) and with high grade dcis, you should discuss with your oncologist about the use of tamoxifen to further decreease the chance of recurrence. ...Read more
16
What is radioactive seed therapy?
Localized radiation: In cases where radiation is effective but may be adjacent to other vital structures that might be effected by the radiation, radioactive seeds usually emitting Alpha particles which have minimal extension of their radiation effects can be delivered effectively to organs such as the liver by arterial infusion or to prostate by direct implantation with a needle. ...Read more
17
Going in for a radioactive iodine uptake scan. How is this administered?
Usually capsule: Usually liquid in capsule and is ingested by patient with liquid drink. Sometimes some patients can not swallow pills and can be administered in these rare cases, if facility is informed in advance, in liquid form. ...Read more
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18
Hodgkin's lymphoma - is radiation or chemotherapy what doctors usually recommend?
It depends: In the past the role for each was very clear and a one size fits all kind of idea. Currently there a very good guidelines for the role of each treatment. Chemotherapy is used more often than radiation.The initial stage (amount of cancer) and symptoms determine how much chemo and if radiation is needed. ...Read more
19
How safe is radiation iodine treatment after a thyroidectomy.
Safe: Treatment with radioactive iodine is common after thyroidectomy for thyroid cancer. It decreases the chance of recurrent disease significantly. It is generally well tolerated. The most common side effect is a dry mouth due to less saliva production. Radiation exposure to your body is relatively low. The chance of radiation side effects is related to the dose. ...Read more
20
Which is better: prostate radiation or hormone treatment?
Prostate radiation o: This depends on many things - the gleason rating score, your age and whether there is spread. Some schools believe in using both. Radiation is usually for 40-44 treatments. Hormone treatment is more common when you are older. Outcomes have not shown hormone therapy to be superior. ...Read more
Chemotherapy (Definition)
The term chemotherapy typically is used to describe using chemicals to treat ...Read more
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