what is the ddx for the following:
in someone presenting with flu-liek illness, wgt loss, constant dull RUQ pain, and enlarged tender liver with guaiac (-) stool, no masses. CT shows liver abscess. culture of aspirate grows lactose-fermenting G- rod.
- can't r/o amoeba b/c are NOT found in liver aspirate!
- *liver abscess is most commnly due to ascending cholangitis
- subclinical appendicitis/diverticulitis
- 40% of cases are UKNOWN etiology