title: Neonatal cystic choristoma in submandibular salivary gland simulating cystic hygroma.
abstract: A congenital cystic malformation occurred in the submandibular salivary gland of a neonate. The embryogenesis and differential diagnosis are discussed. Since it seems to be a product of endodermal heterotopic differentiation or entrapment of foregut epithelial rests in the submandibular gland, it is classified as a cystic choristoma.
mesh_terms: D002828:Choristoma / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D004707:Endoderm; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008202:Lymphangioma / Q000175:diagnosis*; D008297:Male; D012468:Salivary Gland Neoplasms / Q000151:congenital* / Q000175:diagnosis / Q000473:pathology; D013363:Submandibular Gland / Q000473:pathology