mucous cyst


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Related to mucous cyst: Ganglion cyst, digital mucous cyst

mucous cyst

[′myü·kəs ‚sist]
(medicine)
A retention cyst of a gland, containing a secretion rich in mucin. Also known as mucinous cyst.
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Mucous cyst presents as a soft asymptomatic lesion on labia minora, vestibule or periclitoral surface areas.
There are two types of mucous cysts, based on the histology of the cyst wall; a mucous extravasation cyst formed by mucous pools surrounded by granulation tissue and mucous retention cyst with an epithelial lining.8,12 Salivary mucocele are common in the lower lip but may occur in other locations too.13 The most common sites for the appearance of extravasation mucocele is in the lower lip, tongue being the second most common followed by the buccal mucosa, palate and rarely in the retromolar area and posterior dorsal area of the tongue.3