This ulcer was identified in a 26 year old and determined to be due to Strongyloides stercoralis infection. From Clin Gastroenterol Hepatol Nov 2016; DOI: http://dx.doi.org/10.1016/j.cgh.2016.04.019 “This case also highlights the importance of including strongyloidiasis in the differential diagnosis when a patient presents with ulcer bleeding and eosinophilia.”