Eye
Conjunctiva
Melanocytic tumors
Blue nevus
Author: Deepali Jain, M.D.
Last author update: 1 October 2014
Last staff update: 26 June 2020
Copyright: 2004-2024, PathologyOutlines.com, Inc.
PubMed Search: Blue nevus conjunctiva
Related Topics: Nevi
Table of Contents
Definition / general | Case reports | Clinical images | Gross description | Microscopic (histologic) description | Microscopic (histologic) imagesCite this page: Jain D. Blue nevus. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeneviblue.html. Accessed April 24th, 2024.
Definition / general
- Combined nevus: combination of nevocytic and blue nevus (Trans Am Ophthalmol Soc 1999;97:170)
Case reports
- 41 year old man with blue nevus giving rise to melanoma (Arch Ophthalmol 2000;118:1581)
- 54 year old man with multifocal pigmentations (Klin Monatsbl Augenheilkd 1994;205:242)
- 55 year old woman with multifocal blue nevus (Surv Ophthalmol 2008;53:41)
- 71 year old woman with slow growing lesion (Ophthalmology 1992;99:1714)
Clinical images
Images hosted on other servers:
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
Images hosted on other servers:
Combined nevus: pigmented dendritic and spindled blue nevus cells in area adjacent to nevocytic foci
Various images
Conjunctival blue nevus
Composed of plump, heavily pigmented melanocytes
Focus of malignant transformation
