What is the direct sign of acute appendicitis?
- Non-compressibility of the appendix - Diameter of the appendix > 6 mm - Single wall thickness ≥ 3 mm - Target sign - Appendicolith - Hypervascularity in early stages of AA, - Hypo- to avascularity in abscess and necrosis
Real time ultrasound reveals non compressibility of the appendix with a 9 mm of diameter and fat stranding surrounding the appendix. An appendicolith is noted.