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BMJ Case Reports 2018; doi:10.1136/bcr-2017-223384
  • Rare disease
  • CASE REPORT

Duplication cyst of the pylorus: a rare cause of gastric outlet obstruction

  1. Rana Rehan4
  1. 1 Department of Pediatric Surgery, Aga Khan University, Karachi, Pakistan
  2. 2 Department of Pediatric Surgery, Liaquat National Hospital and Medical College, Karachi, Pakistan
  3. 3 Post Graduate Medical Education, Aga Khan University, Karachi, Pakistan
  4. 4 Department of Radiology, Liaquat National Hospital and Medical College, Karachi, Sindh, Pakistan
  1. Correspondence to Dr Sarah Masroor Jeelani, saarc93{at}yahoo.com
  • Accepted 23 May 2018
  • Published 8 June 2018

Summary

Alimentary tract duplications are a rare congenital malformation. They can present with varied symptoms owing to the locality of the duplication, along the gastrointestinal tract. Out of these duplications, the ones along the pylorus are the most rare. These are usually only diagnosed intraoperatively, as it is not a common differential on imaging due to its rarity. In lieu of the literature currently available, pyloric duplication cyst can present anytime from 1 week of age to 5 years, with some cases being detected antenatally due to the prevalence of regular antenatal scanning. Surgery remains the main stay of treatment with the goal of complete excision of the cyst and complete removal of the cyst mucosal lining. We report the case of a 5-year-old girl, which to our knowledge is the first ever reported case from Karachi, Pakistan.

Footnotes

  • Contributors MA: identified the rarity of the case and the need to report it, providing his expertise and intra-op pictures, edited and framed the final draft of the report itself and obtain consent from patient’s parents. SMJ: gathered details about the case and formed and structured it into a report, also gathered follow-up information from patient’s subsequent visits and provided the literature search. AS: contributed to the case report discussion section and in-patient details. Performed discussions with the pathology department for the case’s interpretation. RR: contributed the radiological images for the case and reviewed the case with his senior colleagues due to the initial difficulty faced with making a diagnosis.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent Parental/guardian consent obtained.

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

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