This is acute appendicitis with yellow to tan exudate and hyperemia, including the periappendiceal fat superiorly, rather than a smooth, glistening pale tan serosal surface.
Acute appendicitis
Acute appendicitis
Outer aspect of appendix involved by acute inflammation. A thick purulent coating is seen together with marked hyperemia of the serosa.This is the tip of the appendix from a patient with acute appendicitis. The appendix has been sectioned in half. The serosal surface at the left shows a tan-yellow exudate. The cut surface at the right demonstrates yellowish-tan mucosal exudation with a hyperemic border.
Acute appendicitis
acute appendicitis is marked by mucosal inflammation and necrosis.
the mucosa shows ulceration and undermining by an extensive neutrophilic exudate.Neutrophils extend into and through the wall of the appendix
This view shows acute inflammation (neutrophils) in the muscular wall of the appendix - the hallmark of acute appendicitis.