Document Detail


Gonadoblastoma in the Ovaries of a Lesser Galago (Galago senegalensis braccatus).
MedLine Citation:
PMID:  22520808     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
An enlarged right ovary was removed from a 14-year-old lesser galago (Galago senegalensis braccatus). Cytological preparations consisted of a heterogeneous population of neoplastic cells admixed with extracellular hyaline structures and cell-free nuclei. Microscopically, the ovary was replaced with gonadoblastoma and was composed of nests of germinal cells, including large oocyte-like cells, and sex cord-stromal cells arranged in palisading patterns around the germinal cells, the periphery of the nests and around extracellular hyaline material. The animal died 2years after initial diagnosis. Necropsy examination revealed gonadoblastoma in the left ovary. The germinal cells of the tumour in the right and left ovaries were immunoreactive for calretinin, OCT3/4, PGP 9.5, Ki67 and/or faintly for cytokeratins. Sex cord-stromal cells were immunoreactive for calretinin, OCT3/4, GATA-4, E-cadherin and vimentin. Luteinized sex cord-stromal cells were immunoreactive for inhibin-alpha. The extracellular hyaline material was immunoreactive for laminin. This is the first case of gonadoblastoma in a non-human primate.
Authors:
A R Irizarry Rovira; S Lynch; M David; J A Ramos Vara
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-18
Journal Detail:
Title:  Journal of comparative pathology     Volume:  -     ISSN:  1532-3129     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0102444     Medline TA:  J Comp Pathol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Pathology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA.
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