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Outline. Embryology of the noseDermoid cystsGliomaEncephalocele/MeningoceleEvaluation of Nasal MassImaging StudiesSurgical InterventionConclusion. Embryology. The critical period in nasal development is in first twelve weeks of fetal developmentAbnormalities of development are believed to c
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1. Evaluation of Congenital Midline Nasal Masses Camysha H. Wright, MD, Resident
Matthew Ryan, MD, Faculty
UTMB Dept of Otolaryngology
Grand Rounds
June 7, 2006
2. Outline Embryology of the nose
Dermoid cysts
Glioma
Encephalocele/Meningocele
Evaluation of Nasal Mass
Imaging Studies
Surgical Intervention
Conclusion
3. Embryology
The critical period in nasal development is in first twelve weeks of fetal development
Abnormalities of development are believed to cause gliomas, dermoids, and encephaloceles
4. Embryology Neural tube develops between the third and fourth week of gestation Closure of the neural tube occurs from the midline and extends cranially and caudally Neural tube then gives rise to neural crest cells