Gastrointestinal
Vermiform appendix
Diameter
<6 mm
Ultrasound
X-ray computed tomography
Magnetic resonance imaging
X-ray computed tomography
Magnetic resonance imaging
Reference
Rettenbacher T, Hollerweger A, Macheiner P et-al. Outer diameter of the vermiform appendix as a sign of acute appendicitis: evaluation at US. Radiology. 2001;218 (3): 757-62.
Pubmed ID: 11230651