Bronchogenic cysts, usually located in the lung or mediastinum, are due to bronchopulmonary foregut malformations and are relatively common congenital cysts
in the mediastinum.
Thyroglossal duct cysts are the most common congenital cysts
of the neck.
7) Abnormal separations of developing lung tissue result in the formation of these congenital cysts
DISCUSSION: Congenital cysts
are dysembryogenetic lesions that can occur due to ectodermal elements getting entrapped during midline fusion of mesodermal elements of first and second branchial arches, between 3rd and 4th weeks of intrauterine life.
It may imitate benign and malignant tumours, cysts, abscess, haematoma, pseudocyst and congenital cysts
Rathke's cleft cysts are congenital cysts
that represent remnants of Rathke's pouch, a dorsal invagination of the stomodeal neuroectoderm that ascends from the oral cavity into the sella to form the adenohypophysis.
Secondary bacterial, mycotic or tubercular infection of congenital cysts
may produce lung abscess or pneumatocele with loculated pleural effusion.
of the larynx are an unusual cause of airway obstruction in newborns.