Mesenteric cysts: a rare cause of abdominal pain.

CASEREPORT A 27 year-old man was admitted with a history ofrightupperquadrant pain, occurring five days after flying home to the United Kingdom fromAustralia via Singapore. Thepainwas constant and throbbing in nature, and was exacerbated by deep inspiration. He had a poor appetite. He gave a history of passing pale stools and dark urine for one week, a number of months previously. He had been investigated two years previously for melaena andbleedingper rectum. Colonoscopy, gastroscopy, small bowel series, ultrasound of abdomen and isotope Meckel's scan were all negative. There were no risk factors for hepatitis, and he had received immunisation against HepatitisA and B prior to his journey to Australia.