Jessica J. Kraeft MD, Presenter: Nothing to Disclose

Peter F. Hahn MD, PhD, Abstract Co-Author: Stockholder, Abbott Laboratories Stockholder, Covidien AG Stockholder, CVS Caremark Corporation Stockholder, Kimberly-Clark Corporation Stockholder, Landauer, Inc

1. Infection can present as mass-like lesions in the liver, spleen, gallbladder and gastrointestinal tract, mimicking neoplasm. 2. Imaging findings suggesting infection will be described.

Cases will be presented in a quiz format. Key differential diagnostic points will be discussed. Cases include: • Hepatobiliary neoplasms (hepatocellular carcinoma, cholangiocarcinoma, metastases) versus infection: o Xanthogranulomatous cholecystitis o Hydatid disease o Bartonella o Actinomyces o Fasciola hepatica • Splenic neoplasms (metastases, lymphoma) vs infection: o Pneumocystis jiroveci o Cryptococcus neoformans o Leishmaniasis o Malaria o Melioidosis • Gastrointestinal tract neoplasm (adenocarcinoma) vs infection o Amebiasis o Schistosomiasis

http://abstract.rsna.org/uploads/2014/14008769/14008769_8r2i.pdf

Kraeft, J, Hahn, P, Infectious Mimics of Abdominal Neoplasms: What to Look for.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14008769.html