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Parotid Duct Communicating With a Labial Pit and Ectopic Salivary Cyst
Moises A. Arriaga, MD;
Linda J. Dindzans, MD;
Charles D. Bluestone, MD
Arch Otolaryngol Head Neck Surg. 1990;116(12):1445-1447.
Abstract
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• Labial pits are usually described as blind epidermal invaginations of lip mucosa with occasional drainage of minor salivary gland secretions. A case of an aberrant parotid duct in communication with both a unilateral, commissural labial pit and an interposed salivary cyst is presented. A 7-year-old boy who had experienced lifelong clear drainage from a congenital pit at his right oral commissure developed fever, pain, and a submucosal mass of the right cheek over a 6-week period. A preoperative sialogram through the pit demonstrated a communication between the oral commissure fistula, an intervening salivary cyst, and a proximal tract from the cyst to the parotid gland. An en bloc resection of the pit, fistula tract, and cyst was performed through a transoral approach. The dissection was medial to the buccinator muscle. There has been no recurrence of the cyst after 1 year follow-up. A description of labial pits and parotid duct anomalies is presented; however, to our knowledge, this combination of anomalies has not been previously described.
(Arch Otolaryngol Head Neck Surg. 1990;116:1445-1447)
Author Affiliations
From the Department of Otolaryngology, Eye and Ear Institute (Dr Arriaga), and Department of Pediatric Otolaryngology, Children's Hospital of Pittsburgh (Drs Dindzans and Bluestone), University of Pittsburgh (Pa) School of Medicine.
Footnotes
Accepted for publication April 3, 1990.
Presented in part as a poster at the annual meeting of the American Society for Pediatric Otolaryngology, San Diego, Calif, June 1989.
Reprint requests to the Department of Pediatric Otolaryngology, Children's Hospital of Pittsburgh, 3705 Fifth Ave at DeSoto street, Pittsburgh, PA 15213 (Dr Bluestone).
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