Eye
Conjunctiva
Dermoid tumor and other congenital lesions


Topic Completed: 1 April 2017

Revised: 26 March 2019

Copyright: 2004-2019, PathologyOutlines.com, Inc.

PubMed Search: Dermoid tumor and other congenital lesions

Deepali Jain, M.D.
Page views in 2018: 1,631
Page views in 2019 to date: 1,946
Cite this page: Jain D. Conjunctiva: dermoid tumor and other congenital lesions. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyedermoidtumor.html. Accessed September 22nd, 2019.
Definition / general
  • A type of choristoma (congenital, nonneoplastic lesion composed of cytologically normal tissue not normally found at that location), often at limbus
  • Mainly children
  • No malignant potential
  • May be associated with colobomas of iris and ciliary body, Goldenhar syndrome (ocular dermoid tumors, extra-auricular appendages, vertebral anomalies, East Afr Med J 2002;79:502), organoid nevus syndrome (also called linear nevus sebaceus of Jadassohn, Br J Ophthalmol 1987;71:268)
Diagrams / tables

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Complex choristoma (figure 1b)

Clinical images

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Lipodermoid

Gross description
  • Bulbar tumors are firm, localized, elevated, opaque, yellow-white masses at limbus
Microscopic (histologic) description
Microscopic (histologic) images

AFIP images

Limbal dermoid:
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Subepithelial fibrous tissue resembling
reticular dermis with skin appendages


Complex choristoma:
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Lacrimal gland tissue within a limbal dermoid

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Island of cartilage within a limbal dermoid



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Complex choristoma:
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With ectopic lacrimal gland tissue (figure 2d)


Osseous choristoma:
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Bone within connective tissue capsule

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Bone contains marrow


Dermolipoma:
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Abundant adipose tissue

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