File:Acute appendicitis with CT arrowhead sign (Radiopaedia 21474-21411 Axial C+ portal venous phase 27).jpg

Summary:

• Radiopaedia case ID: 21474
• Image ID: 2887370
• Image stack position: 27/44
• Plane projection: Axial
• Aux modality: C+ portal venous phase
• Modality: CT
• System: Gastrointestinal
• Findings: Dilatation of appendix and periappendiceal mesenteric fat stranding with an appendicolith in the appendiceal lumen. Mesenteric lymphadenopathy is distinguishable in the adjacent mesenteric fat.Inflammation at the base of the appendix produces an 'arrow-like' collection of cecal contrast. Local dilatation of the right ureter near the inflammation site is likely to represent a local response to the adjacent inflammation.
• Published: 25th Jan 2013
• Source: https://radiopaedia.org/cases/acute-appendicitis-with-ct-arrowhead-sign
• Author: Bita Abbasi
• Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)