Optimization of ct scan protocol in acute abdomen 2003 revised aa
CT Evaluation of the Acute Abdomen
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CT EVALUATION OF ACUTE ABDOMEN DULEEKA WIJEGUNAWARDHANA CLINICAL FELLOW IN DIAGNOSTIC RADIOLOGY SIR CHARLES GAIRDNER HOSPITAL
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Transcript of CT Evaluation of the Acute Abdomen
CT EVALUATION OF
ACUTE ABDOMEN
DULEEKA WIJEGUNAWARDHANA
CLINICAL FELLOW IN DIAGNOSTIC RADIOLOGY
SIR CHARLES GAIRDNER HOSPITAL
Causes
GIT- Appendicitis, Diverticulitis, Small bowel obstruction, Ischaemic
colitis, Bowel perforation
GUT- Ureteric calculi, Pyelonephritis
Hepato-biliary- Cholecystitis, Pancreatitis
Vascular- Abdominal aortic aneurysm, Aortic dissection,
Intra abdominal haemorrhage
IMAGING MODALITIES
Radiography
Sonography
Computed Tomography
Magnetic Resonance Imaging
Nuclear Medicine
Multi phasic CT
Cortico-medullary
phase
30 sec delay
Nephrographic
phase
70-90 sec delay
Excretory phase
5 min delay