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Anomalies of the First Branchial Cleft

Anomalies of the First Branchial Cleft Abstract • Eleven cases of first branchial cleft duplication anomalies are classified into types I and II. Type I defects are associated with the first cleft and are duplication anomalies of the membranous external auditory canal. Type II defects are associated with the first cleft and first and second arches, and, as such, are associated with defects of the membranous external auditory canal and cartilaginous elements. Microscopical examination of tissue in type I anomalies shows a cyst lined by skin without adnexal structures and without cartilage. Type II anomalies usually contain all elements. Misdiagnosis, infection, and recurrences are common with these lesions. Clinically, they may drain through the neck and external auditory canal. Surgical excision must be complete or there will be recurrence. The facial nerve must be identified and protected during the excision. (Arch Otolaryngol 102:737-740, 1976) References 1. Randall P, Royster HP: First branchial cleft anomalies . Plast Reconstr Surg 31:497-506, 1963.Crossref 2. Work WP, Proctor CA: The otologist and first branchial cleft anomalies . Ann Otol Rhinol Laryngol 72:548-562, 1963. 3. Work WP: Newer concepts of first branchial cleft defects . Laryngoscope 82:1581-1593, 1972.Crossref 4. Minkowitz S, Minkowitz F: Congenital aural sinuses . Surg Gynecol Obstet 118:801-806, 1964. 5. Brownstein MH, Wanger N, Helwig EB: Accessory tragi . Arch Dermatol 104:625-631, 1971.Crossref 6. Rickles NH, Little JW: Histogenesis of the branchial cyst. II. A study of the lining epithelium . Am J Pathol 50:765-777, 1967. 7. Crymble B, Braithwaite F: Anomalies of the first branchial cleft . Brit J Surg 51:420-423, 1964.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Otolaryngology American Medical Association

Anomalies of the First Branchial Cleft

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References (9)

Publisher
American Medical Association
Copyright
Copyright © 1976 American Medical Association. All Rights Reserved.
ISSN
0003-9977
DOI
10.1001/archotol.1976.00780170055008
Publisher site
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Abstract

Abstract • Eleven cases of first branchial cleft duplication anomalies are classified into types I and II. Type I defects are associated with the first cleft and are duplication anomalies of the membranous external auditory canal. Type II defects are associated with the first cleft and first and second arches, and, as such, are associated with defects of the membranous external auditory canal and cartilaginous elements. Microscopical examination of tissue in type I anomalies shows a cyst lined by skin without adnexal structures and without cartilage. Type II anomalies usually contain all elements. Misdiagnosis, infection, and recurrences are common with these lesions. Clinically, they may drain through the neck and external auditory canal. Surgical excision must be complete or there will be recurrence. The facial nerve must be identified and protected during the excision. (Arch Otolaryngol 102:737-740, 1976) References 1. Randall P, Royster HP: First branchial cleft anomalies . Plast Reconstr Surg 31:497-506, 1963.Crossref 2. Work WP, Proctor CA: The otologist and first branchial cleft anomalies . Ann Otol Rhinol Laryngol 72:548-562, 1963. 3. Work WP: Newer concepts of first branchial cleft defects . Laryngoscope 82:1581-1593, 1972.Crossref 4. Minkowitz S, Minkowitz F: Congenital aural sinuses . Surg Gynecol Obstet 118:801-806, 1964. 5. Brownstein MH, Wanger N, Helwig EB: Accessory tragi . Arch Dermatol 104:625-631, 1971.Crossref 6. Rickles NH, Little JW: Histogenesis of the branchial cyst. II. A study of the lining epithelium . Am J Pathol 50:765-777, 1967. 7. Crymble B, Braithwaite F: Anomalies of the first branchial cleft . Brit J Surg 51:420-423, 1964.Crossref

Journal

Archives of Otolaryngology – American Medical Association

Published: Dec 1, 1976

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