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Main Title Ocular Chondrosarcomas in 'Rivulus marmoratus' Poey (Short Communication).
Author Courtney, L. A. ; Fournie, J. W. ;
CORP Author Environmental Research Lab., Gulf Breeze, FL.
Publisher c1991
Year Published 1991
Report Number EPA/600/J-91/101 ;CONTRIB-679;
Stock Number PB91-206946
Additional Subjects Fish diseases ; Chondrosarcoma ; Eye neoplasms ; Marine biology ; Cell differentiation ; Histology ; Pathology ; Reprints ; Rivulus marmoratus
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NTIS  PB91-206946 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 8p
Abstract Only one documented case of a malignant cartilaginous tumor has been previously reported from fish, a large cranial chondrosarcoma from the paddlefish, Polyodon spathula (Walbaum). Described here are two chondrosarcomas diagnosed from adult laboratory-reared Rivulus marmoratus Poey, the first reports of the tumor type from an atheriniform fish. Histologically, the tumors consisted of cartilage in various stages of differentiation. These ranged from poorly differentiated areas consisting of a highly cellular, primitive mesenchymal component with numerous mitotic figures and extensive anaplasia to well-differentiated portions expressed as scattered foci of mature cartilage consisting of single and multiple chondrocytes isolated within lacunae. The lesions, possibly arising from the sclera, were invasive into the eye, with elements of the choroid and striated muscle trapped within the tumor matrix.
Supplementary Notes Pub. in Jnl. of Fish Diseases, v14 p111-116 1991.
NTIS Title Notes Journal article.
Title Annotations Reprint: Ocular Chondrosarcomas in 'Rivulus marmoratus' Poey (Short Communication).
Category Codes 98F; 47D
NTIS Prices PC A02/MF A01
Primary Description 600/04
Document Type NT
Cataloging Source NTIS/MT
Control Number 124123224
Origin NTIS
Type CAT