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Investigating congenital isolated tracheo-oesophageal fistula: considering CT scan?
  1. Aurore Haffreingue1,2,
  2. Claire Dupont-Lucas2,3,
  3. Thierry Petit1,2,
  4. Philippe Ravasse1,2,
  5. Julien Rod1,2
  1. 1 Department of Paediatric Surgery, Caen University Hospital, Caen, France
  2. 2 Caen University Medical School, Caen, France
  3. 3 Department of Pediatrics, Caen University Hospital, Caen, France
  1. Correspondence to Aurore Haffreingue, Department of Pediatric Surgery, CHU Caen, Avenue Cote de Nacre, 14033 Caen cedex 9, France; aurore.haffreingue{at}

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A 4-year-old boy was referred with recurrent pneumonia and aspiration of liquids. Clinical examination, complete blood count and sweat test were normal. A tracheo-oesophageal fistula (TEF) was suspected as a differential diagnosis. Barium swallow was unremarkable. Tracheoscopy showed a small mucous irregularity on the posterior wall, but intra-oesophageal instillation of methylene blue was not perceived in the trachea. Tracheoscopy was interrupted prematurely due to poor respiratory tolerance. Finally, chest CT scan showed a millimetre-wide TEF originating from the trachea …

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