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Multiple balloon-like lesions in the small intestine of an adult with chronic diarrhoea
  1. Cheng-Bei Zhou,
  2. Hong Lu,
  3. Ying-Xuan Chen,
  4. Jing-Yuan Fang
  1. Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease; Key Laboratory of Gastroenterology and Hepatology, Ministry of Health; Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai, China
  1. Correspondence to Dr Jing-Yuan Fang, Division of Gastroenterology and Hepatology, Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai 200001, China; jingyuanfang{at}

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Clinical presentation

A 28-year-old woman presented with a 3-year history of chronic watery diarrhoea along with abdominal pain and bloating, which could mostly be alleviated after defecation. Her symptom of diarrhoea, at least three times a day, could be relieved by neither probiotics nor antidiarrhoeal agents. She had also lost 5 kg in the last month. She denied family history, poor vaccine responses or significant infections in early childhood except for an allergy history to intravenous immunoglobulin (Ig) with immediate dyspnoea, palpitations and hypotension. Laboratory investigations suggested that the stool specimens were negative for viruses, parasites or bacteria. Laboratory evaluation revealed a low serum globulin level, 14.5 (reference range, 20–30 g/L); serum Ig levels were significantly abnormal: IgA <0.27 (0.7–4 g/L), IgM 0.24 (0.4–2.3 g/L), IgG 1.3 (7–16 g/L); white cell count 15.4×109/L (3.69–9.16×109/L); …

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