cervical esophageal duplication cyst
Tuesday 24 May 2011
Cervical esophageal duplication cysts are rare congenital anomalies that can be successfully managed surgically. These anomalies are rare causes of upper airway obstruction.
Foregut duplication is commonly found in the posterior mediastinum. 10-20% of these anomalies are associated with oesophageal duplication. It can occur in all parts of oesophageal length.
Although duplication of cervical oesophagus has been previously reported, but a majority of them were found in thoracic oesophagus.
Infants with oesophageal duplication usually manifested by respiratory distress or asymptomatic thoracic mass, casually, detected in X-ray.
Although cervical oesophageal duplication cysts are rare, but they must be considered as one of the differential diagnoses of cervical mass with respiratory distress in infants.
Duplications of the esophagus are the second most common site of duplication of the alimentary tract.
Cervical esophageal duplication cysts occur in the upper one third of the esophagus and are the second rarest type of esophageal duplication cyst.
The location and size of the lesion determines the clinical presentation. These congenital anomalies can also be discovered as an incidental finding.
In 1711, Blasius reported the first case of esophageal duplication cyst . The first reported case of a cervical esophageal duplication cyst was by Bishop and Koop in 1964. Arbona et al reviewed 50 000 autopsies and concluded that the incidence rate of these congenital anomalies was 1 in
A review of the literature documented 18 reported cases of cervical esophageal duplication cysts. Of symptomatic cases, about 50% present with respiratory distress in the first year of life.
Of the cases that reported sex, a male sex predilection (2:1) has been
cervical vertebral defect and Horner syndrome (#15793745#)
esophageal duplication cyst
- The esophageal duplication cysts are thought to arise from foregut budding errors during the third to sixth week of gestation.
- During embryologic development, the laryngotracheal groove divides into the dorsal and ventral portions, which become the esophagus and respiratory tract, respectively.
- An esophageal cyst forms when the secretory vacuoles during foregut luminal obliteration fail to coalesce. The timing of the budding error dictates the location of the cyst.
- Early errors result in cysts being formed in the mediastinum such as cervical esophageal duplication cysts.
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