In contrast, older children and adults often present with a pseudoappendicitis
syndrome with right-sided abdominal pain and fever.
In the syndrome of pseudoappendicitis
, the distinctive findings found by surgical exploration of severe mesenteric lymphadenitis can be suggestive, but diagnosis would require confirmation by culture of nodes or feces (2,3).
pseudotuberculosis, it also adheres to and penetrates the mucosal surface of the ileum where the bacterium spreads to the mesenteric lymph nodes leading to the more characteristic pseudoappendicitis
associated with this species of Yersinia.
Symptoms: Sudden gastrointestinal disease, diarrhea, abdominal pain, fever, pseudoappendicitis
In the worst cases there can be severe colitis with tenesmus, pseudoappendicitis
from mesenteric lymphadenitis, toxic megacolon mimicking acute ulcerative colitis, or bacteremia.
The infection can remain totally asymptomatic for many years or forever or cause cutaneous (itching and rash), abdominal (epigastric pain, pseudoappendicitis
, diarrhea), respiratory (cough, recurrent asthma), and systemic (weight loss, cachexia) symptoms that can be enervating.