Enteric duplication cyst

Enteric duplication cysts, sometimes simply called duplication cysts, are rare congenital malformations of the gastrointestinal tract.[1] They most frequently occur in the small intestine, particularly the ileum, but can occur anywhere along the gastrointestinal tract.[1] They may be cystic or tubular in conformation.[2]

The condition of having duplication cysts has been called intestinal duplication.[3]

Symptoms

Symptoms depend on the location of the duplication. Duplications occurring high in the gastrointestinal tract (e.g. esophageal) may cause difficulty breathing due to compression of the airway. Lower gastrointestinal duplications (e.g. duodenum, colon) can be associated with abdominal pain, gastrointestinal bleeding, a palpable mass, vomiting, or may cause bowel obstruction. Smaller lesions can act as a so-called "lead point" for intussusception.[4]

Diagnosis

Usually diagnosed at the time of surgery. However CT or MRI taken prior to laparotomy may give a clue to the diagnosis. Tc labelled scintigraphy scan may be helpful to localise presence of heterotopic mucosa.

Treatment

Duplications are usually removed surgically, even if they are found incidentally (i.e. not causing symptoms or encountered on routine studies for other reasons), as there is a high incidence of complications resulting from untreated cases.[4] Cysts are often technically easier to remove than tubular malformations since tubular structures usually share a blood supply with the associated gut.[2]

References
  1. Tong SC, Pitman M, Anupindi SA (2002). "Best cases from the AFIP. Ileocecal enteric duplication cyst: radiologic-pathologic correlation". Radiographics. 22 (5): 1217–22. doi:10.1148/radiographics.22.5.g02se221217. PMID 12235349.
  2. Muratore, Christopher; Tracy, Thomas Jr. (2008). "Neonatal Bowel Obstruction". In Bland, Kirby; et al. (eds.). General Surgery: Principles and International Practice, Vol 1. Springer. p. 1428. ISBN 1848001398. Retrieved 16 April 2013.
  3. Fitz, Reginald H. (1884). "Persistent omphalomesenteric remains: their importance in the causation of intestinal duplication, cyst formation and obstruction". The American Journal of the Medical Sciences. 88: 30–57.
  4. Zahir, I; Yusuf, S; Zada, F; Asif, M; Akhtar, N; Abbasi, MZ (2010). "Duplication cyst in a new born". Int J Pathol. 8: 84–6.
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