Epithelial tumors


Topic Completed: 1 April 2013

Minor changes: 28 December 2020

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PubMed Search: Oncocytoma conjunctiva

Deepali Jain, M.D.
Page views in 2020: 554
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Cite this page: Jain D. Oncocytoma-conjunctiva. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeoncocytomaconjunc.html. Accessed November 29th, 2021.
Definition / general
Case reports
Gross description
  • Red-orange or yellow-tan mass
Microscopic (histologic) description
  • Solid nests and cords of polyhedral cells with abundant, finely granular acidophilic cytoplasm and round / oval paracentral nuclei, usually with one prominent nucleolus
  • May have microcystic areas with occasional goblet cells (Am J Dermatopathol 2007;29:279), may have malignant histology and behavior
Microscopic (histologic) images

AFIP images
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Well circumscribed, subepithelial, multiloculated cystadenomatous lesion

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Tall columnar acidophilic cells lining glandular spaces

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Subepithelial glandular tumor

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Glandular spaces are lined by oncocytes and goblet cells

Images hosted on other servers:
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Adnexal lacrimal glands

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Caruncle tumor

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Cystic areas contain eosinophilic secretions

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Light and dark cells with acinar formation on left side

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Well circumscribed lesion

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Large polyhedral cells with abundant
eosinophilic granular cytoplasm and
small nuclei with single prominent nucleoli

Positive stains
Electron microscopy description
Molecular / cytogenetics description
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