Normal Acromioclavicular Joint Space Size on Radiography
Normal acromioclavicular joint space measures less than 2–4 mm side-to-side difference on AP radiography, aiding detection of AC joint injury.
Emergency Radiology
4 entries
A
Normal Appendix Wall Thickness on Ultrasound, CT & MRI
Normal vermiform appendix wall thickness measures less than 3 mm on ultrasound, CT, and MRI — a key threshold for excluding appendicitis.
G
Normal Gestational Sac Diameter Size on Ultrasound
Normal gestational sac diameter on ultrasound follows the Age − 30 mm rule in the first trimester, with key thresholds guiding early pregnancy assessment.
V
Normal Vermiform Appendix Diameter: Ultrasound, CT & MRI
Normal vermiform appendix diameter is <6 mm on ultrasound and <8 mm on CT; exceeding these thresholds raises concern for acute appendicitis.
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