Bacterial ileocecitis is an infection of the terminal ileum and cecum that may clinically mimic appendicitis.


Clinical features:

(1) right lower quadrant pain

(2) no or mild diarrhea


Bacteria associated with ileocecitis:

(1) Yersinia enterocolitica or Y. pseudotuberculosis

(2) Campylobacter jejuni

(3) Salmonella enteritidis


Preoperative findings on imaging studies (including ultrasonography):

(1) thickening of the bowel wall in the ileum and cecum

(2) variable mesenteric lymphadenopathy

(3) absence of changes suggesting appendicitis


The patient may give a history of foreign travel, animal contact or other exposure associated with an enteric bacterial infection.


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