A 29-year-old Caucasian man was referred to our hospital for evaluation of 4-month history of ongoing colicky abdominal pain, occasional fever and persistent diarrhea. He traveled with a group of friends to Ecuador 6 months before admission and stayed for 3 months. The patient had never been ill nor taken any regular medications. Physical examination revealed abdomen tenderness. There were no signs of peritonitis. Laboratory investigation revealed an elevated C-reactive protein of 29 mg/L. Complete blood cell count demonstrated mild leukocytosis (13.4 × 109/L) with no eosinophilia.
