Tumor features to report - retinoblastoma

Topic Completed: 1 February 2014

Minor changes: 5 April 2019

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

PubMed Search: Tumor features retinoblastoma

Nat Pernick, M.D.
Page views in 2019: 375
Page views in 2020 to date: 210
Table of Contents
Definition / general
Cite this page: Pernick N. Retina: tumor features to report - retinoblastoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeretinatumorfeatures.html. Accessed June 4th, 2020.
Definition / general
  • Editorial note
  • Tumor location
  • Number, size and location of lesion(s)
  • Differentiation (poorly differentiated, Flexner-Wintersteiner rosettes, Homer-Wright rosettes, fleurettes)
  • Growth pattern (diffuse, unifocal, multifocal)
  • Extraocular extension or choroidal invasion
  • Presence or absence of vitreous seeding
  • Presence of absence of retinal detachment
  • Invasion into optic nerve (prelaminar, to lamina cribrosa, retrolaminar, posterior resection margin)
  • Involvement or noninvolvement of other structures submitted
  • Margins (minimum clearance)
  • Angiolymphatic invasion
  • Tumor necrosis, calcification, DNA deposition around blood vessels, anterior chamber seeding, retinal or iris neovascularization

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