Clinical presentation

A 69-year-old male, with a history of an appendectomy 50 years previously, presented to hospital due to refractory dizziness and bloody stool. A routine blood test revealed that he had severe anaemia. Upper and lower endoscopy revealed no evidence of bleeding in the oesophagus, stomach, duodenum, terminal ileum or colorectum. He was diagnosed as having obscure gastrointestinal bleeding.1 Capsule endoscopy (CE) was performed and dark-bluish areas with whitish villi were detected in the jejunum (figure 1). Subsequently, double-balloon endoscopy (DBE) was performed orally and multiple dark-bluish areas coated with whitish villi were found at the distal jejunum (figure 2A), and white debris also oozed from …