HIDA Scans:

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Interpretation • Parenchymal defects • Any lesion which displaces hepatocytes may cause a liver defect on early images (ie mets, abscess, cyst, tumor) • Hepatomas and adenomas occasionally show delayed uptake of <strong>HIDA</strong> compared with surrounding liver
Interpretation • SPECIAL PROCEDURES • GB Ejection Fraction (GBEF) Commonly Performed ( more common now than emergent <strong>HIDA</strong> scans) • When chronic acalculous cholecystitis or a biliary dyskinetic syndrome is suspected for chronic RUQ pain (not really an indication for an emergency study) • GBEF of >35% considered normal at 20 minutes post CCK (sincalide) administration •
Page 1 and 2: SWCSNM 2011 HIDA Scans: Hepatobilia
Page 5 and 6: NM Scheduling Program
Page 7 and 8: Common Hepatic Studies on a typical
Page 9 and 10: Scheduling a HIDA scan with CCK
Page 12 and 13: Objectives • Detect cystic duct o
Page 15 and 16: Technique • LFOV Camera, ant view
Page 17 and 18: Technique • Interventions • Wat
Page 19: • A normal scan Interpretation
Page 25 and 26: First Hour
Page 27: Interpretation • “Rim” or “
Page 31 and 32: Interpretation • Delayed visualiz
Page 36: Interpretation • Hepatic uptake o
Page 39: Interpretation • Stomach visualiz
Page 46 and 47: Pediatrics • In the neonatal sett
Page 48: CASE STUDY What’s the diagnosis?

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