Eye

Conjunctiva

Melanocytic tumors

Blue nevus



Topic Completed: 1 October 2014

Minor changes: 26 June 2020

Copyright: 2004-2021, PathologyOutlines.com, Inc.

PubMed Search: Blue nevus conjunctiva

Related Topics: Nevi

Deepali Jain, M.D.
Page views in 2020: 333
Page views in 2021 to date: 395
Cite this page: Jain D. Blue nevus. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeneviblue.html. Accessed December 8th, 2021.
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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