Korean J Otorhinolaryngol-Head Neck Surg.  2013 Jun;56(6):359-364. 10.3342/kjorl-hns.2013.56.6.359.

Clinical and Histological Analysis of Oral Mucocele

Affiliations
  • 1Department of Otorhinolaryngology-Head & Neck Surgery, Collage of Medicine, Eulji University, Daejeon, Korea. mschoi@eulji.ac.kr
  • 2Department of Pathology, Collage of Medicine, Eulji University, Daejeon, Korea.

Abstract

BACKGROUND AND OBJECTIVES
Mucoceles usually occur as asymptomatic, dome-shaped, translucent cysts in the lower lip and oral cavity containing mucin. Mucoceles are usually associated with the minor salivary glands and are classified histologically into the extravasation type and the retention type. The objective of the present study was to establish the prevalence of these lesions according to age, gender, histologic type, and site of occurrence.
SUBJECTS AND METHOD
We retrospectively reviewed the medical records from January 2008 to February 2013 pertaining to age, sex, clinical history, and other findings of 52 patients who underwent operation and confirmed as mucocele histologically. We re-evaluated all mucocele cases by an experienced pathologist.
RESULTS
Of the 52 cases analyzed, 32 (61.5%) were females and 20 (38.5%) were males. Age ranged from 2 to 77 years (mean age 20.6 years), with 78.8% occurring between the ages of 0 and 30 years with peak incidences in the twenties for female patients and in the thirties for male (34%). There was a more predominance among women (61.5%). The lower lip was the site most frequently affected by the lesions (59.6%), whereas the lowest prevalence was observed for the soft palate (2%), and buccal mucosa (2%). Tongue (15.4%) and floor of mouth (21.2%) were not uncommonly affected sites. Histologically mucous extravasation type (96.2%) was more predominant than the retention type (3.8%).
CONCLUSION
In this study, mucocele was found predominant in younger age groups, with the lower lip being the most frequently affected site. Histologically, the mucus extravasation type was the most common.

Keyword

Extravasation; Mucocele; Ranula

MeSH Terms

Female
Humans
Incidence
Lip
Male
Medical Records
Mouth
Mouth Floor
Mouth Mucosa
Mucins
Mucocele
Mucus
Palate, Soft
Prevalence
Ranula
Retention (Psychology)
Retrospective Studies
Salivary Glands, Minor
Tongue
Mucins
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