Eye
Uvea
Medulloepithelioma - ciliary body


Topic Completed: 1 February 2014

Revised: 8 April 2019

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

PubMed Search: Medulloepithelioma [title] ciliary body
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Cite this page: Pernick N. Uvea: medulloepithelioma - ciliary body. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeuveamedulloepithelioma.html. Accessed May 27th, 2019.
Definition / general
  • Also called dikytoma
  • Rare, resembles embryonic retina
  • Usually arises from ciliary epithelium, rarely from optic nerve or retina
Microscopic (histologic) images

AFIP images
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Network of cords of
neuroepithelial cells

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Less differentiated
cells with structures
resembling rosettes

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Malignant teratoid medulloepithelioma:
left - malignant neuroepithelial cells
surround anaplastic cartilage;
right - rhabdomyoblastic differentiation

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