Eye
Conjunctiva
Blue nevus (cellular blue nevus)



Topic Completed: 1 October 2014

Revised: 26 March 2019

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

PubMed Search: Blue nevus conjunctiva

Related Topics: Nevi


Deepali Jain, M.D.
Page views in 2018: 85
Page views in 2019 to date: 76
Cite this page: Jain D. Conjunctiva: blue nevus (cellular blue nevus). PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeneviblue.html. Accessed June 17th, 2019.
Definition / general
Case reports
Clinical images

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Movable, diffuse, blue-black lesion

Gross description
  • Blue-brown due to superficial location, lack of dermal collagen and numerous pigmented nevus cells
Microscopic (histologic) description
  • Spindled and dendritic melanocytes in epithelium and collagenous stroma
  • Melanocytes have coarsely clumped melanin granules
Microscopic (histologic) images

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Combined nevus: pigmented dendritic and spindled blue nevus cells in area adjacent to nevocytic foci


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Various images

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Conjunctival blue nevus

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Composed of plump, heavily pigmented melanocytes

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Focus of malignant transformation

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