Oral cavity
Other benign tumors / conditions
Focal dermal hypoplasia

Topic Completed: 1 May 2013

Revised: 31 January 2019

Copyright: (c) 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Focal dermal hypoplasia oral

Charu Thakral, M.D.
Page views in 2019: 803
Page views in 2020 to date: 91
Cite this page: Thakral C Focal dermal hypoplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavityfocaldermalhyperplasia.html. Accessed February 18th, 2020.
Definition / general
  • X linked dominant trait associated with PORCN gene mutations on X chromosome
  • Characterized by Blaschko linear streaks of skin with markedly thinned dermis (and adipose tissue abutting the epidermis) together with ocular, dental and skeletal abnormalities, including osteopathia striata (fine linear striations of 2 - 3 mm, visible by radiographic examination, in metaphyses and diaphyses of long or flat bones)
  • Associated with multiple oral papillomas of lips and other oral mucosal sites
  • Also associated with skin hypoplasia and associated ulcers, fatty herniation, bilateral syndactyly with "lobster claw" deformity, iris and choroid colobomas, strabismus
  • Also known as Goltz-Gorlin syndrome
Case reports
Clinical images

Images hosted on other servers:

Irregular spacing of teeth

Delayed eruption

Absence of lingual frenulum

9 year old boy

14 year old girl

Gross images

Images hosted on other servers:

Papilloma masses

Microscopic (histologic) images

Images hosted on other servers:

Osteopathia striata

Back to top