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The Turkish Journal of Pediatrics 2010; 52: 194-197 Case Congenital nasolacrimal duct mucocele – a case report Andrzej Brodkiewicz1, Anna Zakowska1, Jarosław Peregud-Pogorzelski1, Maria Gizewska2, Mirosław Burak3, Magdalena Pastuszak-Gabinowska1 1Division of Pediatrics, Hematology and Pediatric Oncology, and 2Division of Pediatrics, Endocrinology, Diabetology, Metabolic Diseases and Cardiology, and 3Department of Diagnostic Imaging and Interventional Radiology, Pomeranian Medical University, Szczecin, Poland SUMMARY: Brodkiewicz A, Zakowska A, Peregud-Pogorzelski J, Gizewska M, Burak M, Pastuszak-Gabinowska M. Congenital nasolacrimal duct mucocele - a case report. Turk J Pediatr 2010; 52: 194-197. Congenital nasolacrimal duct mucocele (CNDM) is a very rare condition in newborns. Prolapse or expansion of the mucocele into the nose may lead to respiratory distress and difficulty in feeding. The triad of cystic medial canthal mass, dilatation of the nasolacrimal duct and a contiguous sub-mucosal nasal mass on computed tomography (CT) is indicative in the diagnosis of CNDM. The case of a five-week-old girl with infected CNDM is described. The authors aim to emphasize the very rare incidence of CNDM in Polish newborns, delayed diagnosis in the case described and the paramount importance of CT of the head for the correct diagnosis and treatment. Key words: tumor, nasolacrimal duct mucocele, child, computed tomography. Congenital nasolacrimal duct mucocele respiratory distress secondary to nasal pathology (CNDM) is a very rare condition in newborns. includes a variety of congenital malformations Prolapse or expansion of the mucocele into (e.g. choanal atresia, meningoencephalocele, the nose may lead to respiratory distress hemangioma, dermoid cyst, Thornwald cyst, and difficulty in feeding, as newborns are pyriform aperture stenosis), neoplastic tumors preferential nose breathers1. A lacrimal sac and hamartomas, trauma, and local infections2,4- mucocele (LSM) occurs when the normal 6 . Computed tomography (CT), magnetic flow of tears through the nasolacrimal duct resonance imaging (MRI), ultrasonography is obstructed, resulting in medial canthus (USG), and nasal endoscopy play key roles mass. CNDM occurs when a LSM is directly in the diagnosis of CNDM and differential contiguous with a cystic intranasal mass via diagnosis of other lesions of this region a dilated nasolacrimal duct2. A mucocele is (especially including neoplasms)3,5. Several usually lined by ciliated columnar epithelium treatment modalities have been proposed for with goblet cells and secondarily filled with the management of CNDM5,7,8. Spontaneous mucus and epithelial debris. Should this closed resolution may also occur. system develop a secondary infection, it is then called a mucopyocele1. Embryologically, Case Report the nasolacrimal passageway arises from a The five-week-old girl was admitted to the thickening of
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