Table of ContentsDefinition / general
Cite this page: Pernick, N. Mucous cyst. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavitymucouscyst.html. Accessed December 15th, 2018.
Definition / general
- Also called mucocele
- Either stromal reaction to extravasated mucin or retention mucocele
- May be associated with granulomatous inflammation in Crohn's disease (Hum Pathol 1987;18:405)
- Stromal reaction to extravasated mucin: due to injured salivary gland, usually lower lip of young person with granulation tissue surrounding mucin filled spaces; cyst may be superficial, appear as blue domed sublingual cyst (ranula) or plunging ranula (extending into neck above hyoid bone)
- Retention mucocele: older patients, floor of mouth or inside cheek; mucus filled cyst linked by flat, cuboidal or cylindrical cells