Multiple superficial mucoceles concomitant with oral lichen planus: A case series

Publication date: Available online 5 September 2018

Source: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology

Author(s): Kejia Lv, Jianhua Liu, Weijia Ye, Guohua Wang, Hua Yao

Abstract

Superficial mucoceles are a relatively rare variant of common mucoceles and have an unclear etiology. Clinically, they are small, translucent, subepithelial vesicles affecting the oral mucosa in the retromolar region, the lower labial and buccal regions and the bilateral soft palate. Superficial mucocele is easily misdiagnosed as pemphigoid, bullous lichen planus, herpes lesion or venous lake when it is concomitant with oral lichen planus (OLP) or lichen disorders, considering the initial impression. An inflammatory mechanism related to OLP has been hypothesized to induce the development of superficial mucoceles. It is essential to be familiar with this entity. This report presents 9 cases of multiple superficial mucoceles that occurred sequentially concomitant with OLP and with consistent clinical and histopathological features. Relevant works in the literature are also reviewed to provide additional clarification of the etiology, clinicopathological characteristics, and differential diagnosis.

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