Abstract

Enteric duplication cysts (EDCs) are rare congenital malformations formed during the embryonic development of the digestive tract. They are usually detected prenatally or in the first years of life. The size, location, type, mucosal pattern and presence of complications produce a varied clinical presentation and different imaging findings. Ultrasonography (US) is the most used imaging method for diagnosis. Magnetic resonance (MR) and computed tomography (CT) are less frequently used, but can be helpful in cases of difficult surgical approach. Conservative surgery is the treatment of choice. Pathology confirms the intestinal origin of the cyst, showing a layer of smooth muscle in the wall and an epithelial lining inside, resembling some part of the gastrointestinal tract (GT). We review the different forms of presentation of the EDCs, showing both the typical and atypical imaging findings with the different imaging techniques. We correlate the imaging findings with the surgical results and the final pathological features.Teaching Points• EDCs are rare congenital anomalies from the digestive tract with uncertain pathogenesis.• More frequently, diagnosis is antenatal, with most EDCs occurring in the distal ileum.• Ultrasonography is the method of choice for diagnosis of EDCs.• Complicated EDCs can show atypical imaging findings.• Surgery is necessary to avoid complications.

Highlights

  • Enteric duplication cysts (EDCs) are rare congenital anomalies found anywhere along the gastrointestinal tract (GT) from the mouth to the rectum; most commonly in the ileum (33%), followed by the oesophagus (20%), colon (13%), jejunum (10%), stomach (7%) and duodenum (5%) [1,2,3,4].The incidence is 1:4,500 births, found in 0.2% of all children, with a slight male predominance [3, 5,6,7].EDCs are believed to occur between the 4th and 8th weeks of embryonic development

  • EDCs must have three characteristics: an epithelial lining containing the mucosa of the alimentary tract, an envelope of smooth muscle, and the cyst must be closely attached to the GT by sharing a common wall (Fig. 1)

  • We review the different forms of presentation of EDCs, showing both typical and atypical image findings with the different imaging techniques

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Summary

PICTORIAL REVIEW

Enteric duplication cysts in children: varied presentations, varied imaging findings. Cinta Sangüesa Nebot1 & Roberto Llorens Salvador1 & Elena Carazo Palacios2 & Sara Picó Aliaga1 & Vicente Ibañez Pradas. Received: 15 July 2018 / Revised: 5 September 2018 / Accepted: 18 September 2018 / Published online: 11 October 2018 # The Author(s) 2018

Introduction
Clinical presentations
Imaging findings
Findings
Conclusions
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