Mucus retention cyst on the inner lip of a six year old female patient. A mucus retention cyst, or mucocele, is a swollen sac filled with mucus secret

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Mucus retention cyst on the inner lip of a six year old female patient. A mucus retention cyst, or mucocele, is a swollen sac filled with mucus secreted by its inner lining. They can occur on mucous membranes anywhere in the body. They are generally harmless unless they block or obstruct important areas, but are usually removed surgically to prevent any later complications.

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Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: abnormal, body, caucasian, child, clinical, close-, condition, cyst, detail, disease, disorder, female, growth, healthcare, human, lip, medical, medicine, mouth, mucocele, mucus, oral, patient, people, person, retention, unhealthy, white, woman