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Radioisotope Scan and Advantage of Using Technetium - 99m isotope

Last Updated on Dec 17, 2018
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Radioisotope Scan and Advantage of Using Technetium - 99m  isotope

A radioisotope must have certain desirable qualities so that it can be used for the scan. Based on the above criteria, a radioisotope called as Technitium-99 (produced from Molybdenum) is used in over 80% of all nuclear medicine diagnostic procedures. The qualities that make it an ideal choice are:

It has a half-life of six hours which is long enough to examine the various physiological processes and, yet the half-life is short enough for the radioactive substance to be quickly eliminated from the human body. This significantly reduces the radiation dose to the patient.

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Technetium-99m decays by a process called "isomeric"; which emits gamma rays and low energy electrons. Since there is no high-energy beta emission the radiation dose to the patient is low.

The low energy gamma rays emitted by the radioisotope is sufficient enough to escape the human body and can be detected by a gamma camera.

The radioactive compound has a versatile chemistry in the sense it can be tagged to a variety of chemical to image different regions of the body.

Technetium 99 Scan for Identifying Bone Involvement in Cancer

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Dr. Syed Zain Abbas
Dr. Syed Zain Abbas
MBBS, MD
7 years experience
Medanta Patna, Patna
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Dr. Roshni Shukla
Dr. Roshni Shukla
MD
11 years experience
Shukla hospital - Ultrasound and Diagnostic Centre, Dharamshala
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avijit26267

My son's left testis is missing,age 13 plus,mri usg notable to locate, will it be possible to locate the same testtis if it is there or not by which test? will the radio isotope test be fruitful? if yes, is there any harm or which test will you suggest and if it is available in kolkata address plz. wt is phelbography test and in kolkata where this facility available?

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