Oral cavity
Congenital anomalies
Dermoid / epidermoid cyst

Author: Charu Thakral, M.D.

Revised: 2 November 2017, last major update January 2013

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: ("Dermoid cyst") ("epidermoid cyst") oral

Cite this page: Thakral C. Dermoid / epidermoid cyst. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavitydermoidcyst.html. Accessed November 22nd, 2017.
Definition / general
  • Midline in floor of mouth
  • Present at birth but asymptomatic until inflamed
Case reports
Treatment
  • Conservative surgical removal
Clinical images

Images hosted on other servers:

Submental swelling

Gross images

Images hosted on PathOut server:

Images contributed by Dr. Dhiraj B. Nikumbh
Published with permission of Archives of Cytology and Histopathology Research, January-March, 2017; 2(1):18-20
:

Multiple tonsillar epidermoid cyst



Images hosted on other servers:

Sublingual dermoid cyst

Sublingual epidermoid cyst

Microscopic (histologic) description
  • Lined by squamous epithelium, contains skin adnexae if dermoid cyst
Microscopic (histologic) images

Images hosted on PathOut server:

Images contributed by Dr. Dhiraj B. Nikumbh
Published with permission of Archives of Cytology and Histopathology Research, January-March, 2017; 2(1):18-20
:

Multiple tonsillar epidermoid cyst



Images hosted on other servers:

Cyst filled with keratin

Sebaceous gland and hair follicles