TABLE 2

Survey Results

ParameterNumberPercentage
Surveys sent350
Surveys returned16547.1
1. Radionuclide routinely used for thyroid imaging
123I11770.9
99mTc (pertechnetate)4124.8
 Both 123I and 99mTc63.6
131I10.6
2. Routine dose administered
123I
  100–199 μCi11
  200–299 μCi85
  300–399 μCi9
  400–499 μCi1
  500–599 μCi2
99mTc (pertechnetate)
  5 mCi3
  7 mCi1
  8 mCi1
  10 mCi28
  10–15 mCi2
  20 mCi1
  0.4–0.5 mCi2
 Did not answer20
3. Neck positioning
 Neck hyperextended14286.1
 Patient supine with neck extended but not hyperextended137.9
 Did not answer106.1
4. Fasting required
 Yes6740.6
  1–3 h1015
  4–6 h3045
  7–9 h23
 Overnight2233
 No9859.4
5. History taken
 Yes16398.8
 No21.2
6. Views routinely taken
 Anterior view162
  1 anterior view without markers3722.8
  1 anterior view with markers138
  2 anterior views: 1 with and 1 without markers11269.1
 Oblique views in addition to the anterior view15193
  Right and left anterior oblique without markers149
  Right and left anterior oblique with markers2
 Did not answer3
7. Method used to acquire anterior view image*
Clinics using 123I
 Counts reported
  20,000–49,00011
  50,000–74,00022
  75,000–99,0001
  100,000–149,00018
  150,000–199,0002
  200,000–300,0002
  300,000+0
 Time reported
  5 min22
  7 min1
  8 min6
  10 min50
  15 min5
  20 min3
  Other5
 Answered only counts or time84
 Answered both counts and time33
Clinics using 99mTc
 Counts reported
  20,000–49,0000
  50,000–74,0001
  75,000–99,0000
  100,000–149,0003
  150,000–199,0006
  200,000–300,00010
  300,000+8
 Time reported
  5 min12
  10 min5
  15 min0
  20 min0
  Other3
  Did not answer2
 Answered only counts or time30
 Answered both counts and time11
8. Method used to size gland
 Yes7243.6
 No9356.4
9. Collimator used for imaging
 Pinhole10764.8
 Parallel-hole4225.5
 Both169.7
10. Neck palpated for correlation with scan
  Yes6740.6
  No9859.4
  • * Many responses included count and time—whichever came first.