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Occult gastrointestinal bleeding: two eyes are better than one
  1. Samuel Pannick1,
  2. Katherine van Ree2,
  3. Patrizia Cohen3,
  4. Geoff Smith1,
  5. John Martin1
  1. 1 Gastroenterology, Imperial College Healthcare NHS Trust, London, UK
  2. 2 Radiology, Imperial College Healthcare NHS Trust, London, UK
  3. 3 Pathology, Imperial College Healthcare NHS Trust, London, UK
  1. Correspondence to Dr Samuel Pannick, Gastroenterology, Imperial College Healthcare NHS Trust, London W6 8RF, UK; sam.pannick{at}

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A 55-year-old woman was referred for investigation of an incidental iron deficiency anaemia (haemoglobin 97 g/L; ferritin 10 ug/L and mean cell volume 71.3 fL). The patient had no gastrointestinal symptoms. Upper gastrointestinal endoscopy was normal, with no evidence of coeliac disease on duodenal biopsies. Colonoscopy showed diverticulosis.

A capsule endoscopy was then performed, using a new generation dual camera capsule (Mirocam MC2000, Intromedic, Seoul, Korea). This utilises a charge coupled device camera at each end of the capsule, with software that allows the images from each camera to be viewed individually or in combination. Each camera records at three frames per second, and each has a 170° field of view. Compared with a single camera capsule endoscope, dual …

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  • Contributors SP wrote the manuscript, which all other authors revised for critical content. KvR provided the radiology images; GS and JM the capsule endoscopy images and PC the histology images.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.