Part II

Question 1

Reasons for rapid growth

Answer 1

1. Simplicity of procedure
2. Low morbidity association with procedure
3. The valuable information not attainable by any other means
4. The awareness of the clinician as to the worth of the test

Question 2

Inside gamma ray detection for diagnosing and measuring

Answer 2

In Vivo

Question 3

Outside gamma ray detection not used to diagnose only to measure

Answer 3

In vitro

Question 4

In vivo steps

Answer 4

1. Introduce rp (inhalation, IV, swallowing)
2. Tagging and localization
3. Imaging w/ gamma camera

Question 5

RP for brain

Answer 5

Technicium 99m -HMPAO (hexamethylpropylamineoxime)

Question 6

Imaging pt between seizures [procedure, rp]

Answer 6

PET Intericttal imaging - F18 fludeoxyglucose

Question 7

Imaging AD brain pattern [procedure, RP]

Answer 7

11C PIB in AD
B amyloid plaques

Question 8

RP for renal imaging

Answer 8

Tc-99m dimercaptosuccinic acid

Question 9

Acquisition of single image of a particular structure

Answer 9

Static imaging [AP, Lat, Oblique]

Question 10

Imaging for skeletal system [procedure, RP]

Answer 10

Whole body imaging- skeletal scintigraphy
Tc-99m MDP (methyl diphosphonate) - high affinity to hydroxyapatite crystals
AP PA

Question 11

Source is inside patient body

Answer 11

In vivo

Question 12

In vivo is only used for [..]

Answer 12

Thyroid whit radioactive iodine

Question 13

In vivo - diffused symmetrical pathologies

	Unsymmetrical

Answer 13

Hyperthyroidism
Grave’s disease
Goiter

Cancer, nodule

Question 14

Gastric emptying study RP

Answer 14

Tc-99m sulfur colloid with egg

Question 15

Gas RP to diagnose and image lung problems

Answer 15

Xenon 133

Question 16

RP common for lung perfusion scanning

Answer 16

Tc-99m MAA - Macroaggregated albumin

Question 17

Other name for in vitro

Answer 17

Biochemical analysis

Question 18

In Vitro steps

Answer 18

1. Blood extraction
2. Extracted blood mixed w/ rp
3. Measured with gamma counter (assess volume of hormones)

Question 19

In vitro- in vivo technique steps

Answer 19

1.blood extraction
2. Mixed with rp
3. Reintroduce inside body
4. Imaging with gamma camera

-used in vascular studies - in localizing infection