By Gary M. White, MD
A mucocele is a dermal collection of mucin in the oral cavity. There is no true cyst wall.
A dermal collection of mucin on the lower lip is typical but it may occur in the oral cavity as well. Lesions are usually solitary and painless. It may have a bluish tint. The contents of the lesion is a sticky, straw-colored fluid. A variant of the mucocele called a superficial mucocele is found on the palate, retromolar pad, and posterior buccal mucosa, wherever minor salivary glands exist.
Superficial mucoceles of the oral cavity need not be treated as spontaneous resolution usually occurs. However, they may be popped if needed. For mucoceles on the lip, which may be recurrent or persistent, surgical excision may be done. Cryotherapy and laser have been reported effective.
Very similar lesions, two different patients.
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