| Development of congenital laryngeal atresias and clefts. | |
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MedLine Citation:
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PMID: 3408110 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Congenital supraglottic laryngeal obstruction still is being described as subglottic stenosis. There are three clearly defined types of congenital laryngeal atresia, which result from arrest at consecutive developmental stages. Type 1 consists of a supraglottic obstruction, absent vestibule, and stenotic infraglottis, and type 2 is a supraglottic obstruction that separates a shallow primitive vestibule above from a nonstenotic infraglottis. These two types usually are accompanied by other defects, many of them severe. In type 3, a perforated membrane partly obstructs the glottis. Arrest of the dorsal advance of the chondrifying cricoid before the ends meet to form the dorsal lamina results in a complete laryngeal cleft, and incomplete fusion of the ends may leave a notch and/or foramen within the lamina. Failure of the interarytenoid tissue to develop will produce a local cleft, and maldevelopment of the cricoid cartilage or infraglottic submucosa can result in true subglottic stenosis without supraglottic obstruction. |
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Authors:
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H I Zaw-Tun |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Annals of otology, rhinology, and laryngology Volume: 97 ISSN: 0003-4894 ISO Abbreviation: Ann. Otol. Rhinol. Laryngol. Publication Date: 1988 Jul-Aug |
Date Detail:
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Created Date: 1988-09-09 Completed Date: 1988-09-09 Revised Date: 2006-05-15 |
Medline Journal Info:
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Nlm Unique ID: 0407300 Medline TA: Ann Otol Rhinol Laryngol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 353-8 Citation Subset: AIM; IM |
Affiliation:
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Department of Anatomy, University of Alberta, Edmonton, Canada. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Humans Laryngeal Cartilages / abnormalities Laryngostenosis / congenital*, embryology Larynx / abnormalities* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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