How to Order and Interpret Radiology Studies
How to Order and Interpret Radiology Studies
How to Order and Interpret Radiology Studies
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Computed Tomography<br />
Contraindications<br />
– Pregnant women should not have CT<br />
scans<br />
Except in life-threatening<br />
emergencies<br />
Can be scanned with<br />
shielding depending<br />
on body part (minimal<br />
radiation exposure <strong>to</strong><br />
fetus if ankle or knee<br />
is scanned)<br />
– Scanner weight-limits for obese patients<br />
Bone Scan (Scintigraphy(<br />
Scintigraphy)<br />
Biologically active<br />
drugs are labeled<br />
with radioiso<strong>to</strong>pes<br />
Radioiso<strong>to</strong>pe<br />
administered <br />
Giving off gamma<br />
rays<br />
Detected by<br />
gamma camera<br />
Processed by<br />
computer<br />
Bone Scan (Scintigraphy(<br />
Scintigraphy)<br />
Forms a functional image<br />
of soft tissues <strong>and</strong> bone<br />
Two main types:<br />
– Planar (“traditional(<br />
bone scan”)<br />
Three phase bone scan<br />
– SPECT – cross-<br />
sectional <strong>and</strong><br />
reconstructed bone<br />
scans<br />
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