Oral cavity
Other benign tumors / conditions
Mucous cyst

Author: Nat Pernick, M.D. (see Authors page)

Revised: 20 April 2018, last major update November 2013

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Mucous cyst[mh] oral cavity[mh] full text[sb]

Table of Contents
Definition / 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