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Nucs > CTC Charts > Flashcards

CTC Charts Flashcards

1
Q

Energy and Physical Half Life of Tc-99m?

A

“Low” - 140

6 hours

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2
Q

Analog, Energy and Physical Half Life of I-123?

A

Iodine
“Low” - 159
13 hours

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3
Q

Energy and Physical Half Life of Xenon-133?

A

“Low” - 81

125 hours - biologic t1/2 of 30 sec

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4
Q

Analog, Energy and Physical Half Life of Thallium-201?

A

Potassium
“Low” - 135 (2%), 167 (8%), use 71 201-Hg daughter x-rays
73 hours

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5
Q

Energy and Physical Half Life of Indium-111?

A

“Medium” - 173 (89%), 247 (94%)

67 Hours

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6
Q

Analog, Energy and Physical Half Life of Gallium-67?

A

Iron
Multiple: 93 (40%), 184 (20%), 300 (20%), 393 (5%)
78 hours

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7
Q

Analog, Energy and Physical Half Life of I-131?

A

Iodine
“High” - 365
8 days

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8
Q

Analog, Energy and Physical Half Life of F-18?

A

Sugar
“High” - 511
110 min

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9
Q

Half life of Strontium-89?

A

50.5 days (14 days in bone)

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10
Q

Half life of Samarium-153?

A

46 hours

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11
Q

Half life of Y-90?

A

64 hours

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12
Q

Mechanism, Normal Distribution, and Critical Organ of MDP?

A

Phosphate Analog - Mechanism is “chemisorption”
Bones, kidneys
Renal

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13
Q

Mechanism, Normal Distribution, and Critical Organ of Free Xe-133?

A

Not absorbed (inspired) - can diffuse into fat
Airways
Trachea/airways

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14
Q

Mechanism, Normal Distribution, and Critical Organ of MAA?

A

Albumin - gets stuck in capillary (10-100 microns)
Lungs
Lungs

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15
Q

Mechanism, Normal Distribution, and Critical Organ of Sulfur Colloid?

A

Phagocytized by RES
Liver, Spleen, Bone Marrow
Proximal Colon

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16
Q

Mechanism, Normal Distribution, and Critical Organ of HIDA?

A

Bilirubin analog
Liver, GB, Bowel
GB wall

17
Q

Mechanism, Normal Distribution, and Critical Organ of WBC?

A

Tagged neutrophil - goes to RES, or area of active inflammation
Spleen, liver, bone marrow
Spleen

18
Q

Mechanism, Normal Distribution, and Critical Organ of RBC?

A

Tagged RBC - circulated in blood
Blood pool
Heart

19
Q

Mechanism, Normal Distribution, and Critical Organ of MAG3?

A

Actively secreted
Kidneys, bladder
Bladder

20
Q

Mechanism, Normal Distribution, and Critical Organ of DMSA?

A

Binds to sulhydryl group in proximal tubule
Kidneys
Kidney

21
Q

Mechanism, Normal Distribution, and Critical Organ of Pertechnetate?

A

Active transport in the thyroid
Stomach, salivary glands, and thyroid
Stomach

22
Q

Mechanism, Normal Distribution, and Critical Organ of Free Ga-67?

A

Iron analog, taken up by bacteria and WBC
Liver, lacrimal and salivary glands, bones, minimal lungs
Distal colon

23
Q

Mechanism, Normal Distribution, and Critical Organ of FDG?

A

Glucose analog
Brain, heart, liver, blood pool
Bladder

24
Q

Mechanism, Normal Distribution, and Critical Organ of Sestamibi?

A

Active Transport
Salivary glands, GI tract, heart, kidneys, thyroid, parathyroid
Proximal colon

25
Q

Mechanism, Normal Distribution, and Critical Organ of Thallium-201?

A

Potassium analog active transport (Na/K pump)
Heart, kidneys
Renal cortex

26
Q

Mechanism, Normal Distribution, and Critical Organ of Pentreotide?

A

Octreotide Analogue
Spleen, liver, kidneys, bladder
Spleen

27
Q

Mechanism, Normal Distribution, and Critical Organ of MIBG?

A

Analog of norepinephrine. Enters neuroendocrine cells by active uptake mechanism via the epinephrine transporter and is stored in the neurosecretory granules
Thyroid, heart, liver, spleen, salivary gland
Spleen

28
Q

Mechanism, Normal Distribution, and Critical Organ of HMPAO?

A

Lipophilic, crosses BBB
Brain, blood pool
Bladder

29
Q

Mechanism, Normal Distribution, and Critical Organ of DTPA (cistern)?

A

Water soluble
CSF, kidney, bladder
Spinal cord

30
Q

Mechanism, Normal Distribution, and Critical Organ of Iodine?

A

Active transport into the thyroid
Thyroid, nasopharynx, salivary glands, stomach, bowel, bladder
Thyroid

Nucs (3 decks)

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