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J Oral Maxillofac Surg. 2011 Apr;69(4):1086-93. doi: 10.1016/j.joms.2010.02.052. Epub 2010 Aug 12.

Oral mucoceles: a clinicopathologic review of 1,824 cases, including unusual variants.

Author information

1
Division of Oral Pathology, Department of Stomatology, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA. chi@musc.edu

Abstract

PURPOSE:

To review the clinicopathologic features of oral mucoceles, with special consideration given to unusual variants and exclusion of salivary duct cysts.

MATERIALS AND METHODS:

This was a retrospective consecutive case review of all oral mucoceles diagnosed by the Medical University of South Carolina, Oral Pathology Biopsy Laboratory, from 1997 to 2006. The following data were recorded: patient demographics, clinical features (anatomic location, color, size, and consistency), clinical impression, history of trauma, history of periodic rupture, and occurrence of unusual mucocele variants.

RESULTS:

During the study period, 1,824 oral mucoceles were diagnosed. Of these cases, 1,715 represented histopathologically confirmed cases that were not recurrences. There was no significant gender predilection, and the average age was 24.9 years. The most common locations were the lower labial mucosa (81.9%), floor of mouth (5.8%), ventral tongue (5.0%), and buccal mucosa (4.8%); infrequent sites included the palate (1.3%) and retromolar area (0.5%). The lesions most often were described as blue/purple/gray or normal in color. The mean maximum diameter was 0.8 cm (range, 0.1 to 4.0 cm). In 456 cases, a history of trauma was reported, and in 366 cases a history of periodic rupture was reported. Unusual variants included superficial mucoceles (n = 3), mucoceles with myxoglobulosis (n = 6), and mucoceles with papillary synovial metaplasialike change (n = 2).

CONCLUSIONS:

Our results confirm the findings of previous investigators regarding the major clinicopathologic features of oral mucoceles. Special variants of oral mucoceles occur infrequently, although it is important to recognize these variants to avoid misdiagnosis.

PMID:
20708324
DOI:
10.1016/j.joms.2010.02.052
[Indexed for MEDLINE]

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