8 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
years - Upper GI Study ... ) — Lung Cancer ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
50 CXRs Head CT ... Radiation #Doses #Imaging ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Bowel Obstruction Testing ... #Accuracy #Sensitivity ... AbdominalXRay #CT ... LikelihoodRatio #Comparison ... #Table
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
months Chest CT ... Radiation #Doses #Imaging ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
for Colorectal Cancer ... mortality 26% • CT ... Screening #Tests #comparison ... #table #management ... gastroenterology #CRC #Testing
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
ACA Colorectal Cancer ... mortality 26% • CT ... Indications #Tests #comparison ... #table #management ... gastroenterology #CRC #Testing
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
available diagnostic testing ... a repeat chest CT ... growth with chest CT ... methods yield a sensitivity ... diagnosis of lung cancer
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Autoimmune disease, Cancer ... Imaging Patterns ... sequences improve sensitivity ... thrombosis Testing ... 58 mg/dL in one study