Change: http://en.wikipedia.org/wiki/Iodine-131http://www.iodine131.orghttp://en.wikipedia.org/wiki/Iodine-131References:1. National cancer institute. Available at: http://www.cancer.gov/cancertopics/factsheet/I131qa. Accessed March 16, 2009.2. Radiology Info. Available at: http://www.radiologyinfo.org/en/info.cfm. Accessed March 16, 2009.3. Iodine 131. Radioactive Isotopes. Availabe at http://ie.lbl.gov/decay.html. Accessed March 15, 2009.4. Bentel, G. Radiation Therapy Planning. 2nd Ed.NewYork:Macgraw-Hill:1992. pp.534-535.   View changes from previous version. (Word count: 1630)

Change: http://en.wikipedia.org/wiki/Iodine-131http://www.iodine131.org References:1. National cancer institute. Available at: http://www.cancer.gov/cancertopics/factsheet/I131qa. Accessed March 16, 2009.2. Radiology Info. Available at: http://www.radiologyinfo.org/en/info.cfm. Accessed March 16, 2009.3. Iodine 131. Radioactive Isotopes. Availabe at http://ie.lbl.gov/decay.html. Accessed March 15, 2009.4. Bentel, G. Radiation Therapy Planning. 2nd Ed.NewYork:Macgraw-Hill:1992. pp.534-535.   View changes from previous version. (Word count: 1630)

Change: Radioactive iodine uptake test is a type of nuclear test performed to evaluate thyroid function. The patient ingests radioactive iodine (I-123 or I-131) capsules or   View changes from previous version. (Word count: 1562)

Change: skin and the possibility of any accidental spillage. Used in formula/calculation: Typical dosage for hyperthyroidism is 5-10 mCi of I-131 sodium iodide.Typical dosage for thyroid cancer is 100 -200 mCi of I-131 sodium iodide.[10] Uses in Radiation Oncology: Mostly used for the treatment of   View changes from previous version. (Word count: 1480)

Change: Info. Available at: http://www.radiologyinfo.org/en/info.cfm,. Accessed March 16, 2009.3. Iodine 131,131. Radioactive Isotopes,Isotopes. Availabe at http://ie.lbl.gov/decay.html,. Accessed March 15, 2009.4. Bentel, G,G. Radiation Therapy Planning,Planning. 2nd Ed.NewYork:Macgraw-Hill:1992,Ed.NewYork:Macgraw-Hill:1992. pp.534-535pp.534-535.5. Argonne National Laboratory, EVS.   View changes from previous version. (Word count: 1375)

Change: http://www.bt.cdc.gov/radiation/isotopes/iodine.aspReferences:1. National cancer institute, http://www.cancer.gov/cancertopics/factsheet/I131qa, Accessed March 16, 2009.2. Radiology Info, http://www.radiologyinfo.org/en/info.cfm, Accessed March 16, 2009.3. Iodine 131, Radioactive Isotopes, Availabe at http://ie.lbl.gov/decay.html, Accessed March 15, 20094. Bentel, G, Radiation Therapy Planning, 2nd Ed.NewYork:Macgraw-Hill:1992, pp.534-5355. Argonne National Laboratory,   View changes from previous version. (Word count: 1350)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 1326)

Change:  2009.9. Centers for Disease Control and Prevention. Iodine 131. Available at: http://www.bt.cdc.gov/radiation/isotopes/iodine.asp. Accessed on March 19, 2009.10. Jani, Shirish K., Handbook of Dosimetry Data for Radiotherapy, CRC Press, Inc., 1993, p. 149.Color Codes:Candice - OrangeSherri - GreenRobin B.- BlueAllan -Red   View changes from previous version. (Word count: 1326)

Change: I-131 is also available in capsule form.[10] HVL in lead: .31 cm [4] Measurement/Calibrations/QA: Survey Instrumentation Survey meter equipped with a G-M pancake or thin-window probe is efficient for detecting the betas from I-131. Survey meters equipped with a NaI scintillation probe   View changes from previous version. (Word count: 967)

Change: Nuclei contains - 53 protons and 78 neutrons - four extra neutrons from the stable Iodine (Iodine-127). Energy Characteristics: I-131 decays with a half-life of 8.02 days with beta and gamma emissions. This nuclide of   View changes from previous version. (Word count: 889)