Pleomorphic adenocarcinoma of the ciliary body. Immunohistochemical and electron microscopic features.

Abstract:

:An 80-year-old man was evaluated for an epibulbar tumor on a phthisical eye. The initial biopsy diagnosis of the epibulbar tumor was poorly differentiated neoplasm. Exenteration of the phthisical eye and orbital contents showed an extensive pleomorphic adenocarcinoma of the nonpigmented epithelium of the ciliary body with extraocular extension. There was evidence of hyaluronic acid secretion and immunohistochemical staining was strong for vimentin, focal for epithelial membrane antigen and S-100 protein, and weak for neuron-specific-enolase. Electron microscopy demonstrated desmosomes between tumor cells, areas of thick, multilaminar basement membrane production surrounding individual tumor cells, and occasional intracytoplasmic intermediate filaments.

journal_name

Ophthalmology

journal_title

Ophthalmology

authors

Grossniklaus HE,Zimmerman LE,Kachmer ML

doi

10.1016/s0161-6420(90)32522-8

subject

Has Abstract

pub_date

1990-06-01 00:00:00

pages

763-8

issue

6

eissn

0161-6420

issn

1549-4713

pii

S0161-6420(90)32522-8

journal_volume

97

pub_type

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