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mucocele |
Mucocele
Salivary ducts, especially those of the minor salivary glands are occasionally traumatized by lip biting and severed beneath the surface mucosa.
Saliva production may then extravasate beneath the surface mucosa into the soft tissues.
Over time, secretions accumulate within the tissues and produce a pseudocyst (without the epithelial lining) that contains thick, viscous saliva.
This lession are most common found in the mucous of lower lip, and then second site is in bucal mucosa. This lession known as mucocele.
The patient with mucocele frequently relates a history of the lession filling with fluid, rupture then refilling of these lessions. Many of them regress spontaneously without surgery, but for persistent or recurrent lession usually removed through excision of mucocele and also removal of the associated minor salivary gland.
Important about mucocele removal:
1. Local anethesia is administered via a mental nerve block, and incision is made through the mucosa
2. Careful dissection around the mucocele may permit its complete removal
3. The regional associated minor salivary gland are removed as well then sent for histopatologic evaluation
4. The recurrence rates of mucoceles may be as high as 15% to 30% after surgical removal, possibly caused by incomplete removal or repeat trauma of the minor salivary gland.