===Findings indicating appendicitis===
[[File:UOTW 45 - Ultrasound of the Week 3.jpg|thumb|Ultrasound showing appendicitis and an appendicolith<ref name=UOTW45>{{cite web|title=UOTW #45 - Ultrasound of the Week|url=https://www.ultrasoundoftheweek.com/uotw-45/|website=Ultrasound of the Week|date=25 April 2015|deadurl=no|archiveurl=https://web.archive.org/web/20170509131322/https://www.ultrasoundoftheweek.com/uotw-45/|archivedate=9 May 2017|df=}}</ref>]]
*Absence of '''compressibility'''<ref name=radiopaedia>{{cite web|url=https://radiopaedia.org/articles/appendicitis|title=Appendicitis|author=Dan J Bell and Koshy Jacob|website=Radiopaedia|accessdate=2018-06-25}}</ref>
*'''Dilatation''' >6 mm in outer diameter<ref name=radiopaedia/>