medical isotopes (gamma)

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gamma rays

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8 Terms

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Tc-99m

imaging of:

skeleton & heart muscle, brain, liver, heart, lungs, bone, spleen, kidney, thyroid

most widely used radioisotope in nuclear medicine

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Ga-67

abdominal imaging; tumor detection

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Ga-68

detection of pancreatic cancer

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Ce-141

gastrointestinal (GI) tract diagnosis

measured blood flow —> heart

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Cs-131

prostate brachytherapy

higher initial dose rate (shorter ½ life)

Faster onset

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I-123

treatment of thyroid, brain, prostate cancer

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Ir-192

treatment of breast & prostate cancer

*reproductive organs

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Pd-103

prostate brachytherapy

slower onset

lower dose rate over longer period