In what two age groups is perforated appendicitis most common?  If you said the very young and the very old, you would be correct.  As we all know, the workup and diagnosis of appendicitis in kids can be extremely difficult.  So how do we tease out the right history and get to the correct conclusion? In this episode, we discuss many of the more difficult and important aspects of the workup for a child with possible appendicitis.