A four year old boy presented to Kamuzu Central Hospital for evaluation of five days of progressive nausea, vomiting, and obstipation. History was obtained from the child and mother. For several months prior to presentation he suffered from abdominal discomfort and distension, without diarrhoea, constipation, fevers, chills, or weight loss.

Malawi Medical Journal Vol. 20 (3) 2008: pp. 101-102