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Radiologist Assistant Curriculum - American Society of Radiologic ...

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I. Theory <strong>of</strong> operation<br />

1. Principles <strong>of</strong> coincidence detection<br />

a. True coincidence<br />

b. Lines <strong>of</strong> response (LOR)<br />

c. Randoms<br />

d. Scatter<br />

e. Delayed event<br />

f. Coincidence window and timing<br />

2. Image formation and reconstruction<br />

a. Sinograms<br />

1) 2-D<br />

2) 3-D<br />

3) Fourier rebinding<br />

4) Single slice rebinding<br />

b. Data processing and corrections<br />

1) Normalization corrections<br />

2) Decay corrections<br />

3) Dead time corrections<br />

4) Arc corrections<br />

5) Random corrections<br />

6) Scatter corrections<br />

7) Attenuation corrections<br />

J. Diagnostic procedures<br />

1. Radiopharmaceutical characteristics<br />

2. Administration <strong>of</strong> radiopharmaceuticals<br />

3. Gated procedures<br />

4. Acquisition modes<br />

5. Imaging procedures (i.e., cardiology, neurology, oncology)<br />

6. Image artifacts<br />

7. Computerized data processing<br />

8. Image fusion and registration<br />

II. Image Postprocessing<br />

A. Processing techniques<br />

1. 2-D display tools<br />

2. 3-D display tools<br />

a. MIP<br />

b. Minimum intensity projection (MinIP/minIP)<br />

c. Shaded surface display (SSD)<br />

d. Volume rendering technique (VRT)<br />

e. Ray sum projection<br />

3. Segmentation tools (i.e., cutting, region growing, dilation/erosion)<br />

B. Data volume<br />

1. Voxel-based models<br />

40<br />

© Copyright 2011 by the <strong>American</strong> <strong>Society</strong> <strong>of</strong> <strong>Radiologic</strong> Technologists. All rights reserved.

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