Document Detail

Paratesticular endometriosis in a man with a prolonged hormonal therapy for prostatic carcinoma.
MedLine Citation:
PMID:  22104297     Owner:  NLM     Status:  Publisher    
A rare case of paratesticular endometriosis in a 69-year-old male with prostatic carcinoma, who had a history of 9-year hormonal therapy, is presented. The lesion was a multilocular cyst, 5.2cm×3.1cm×3.0cm in size, in the left paratestis. The cysts were lined by a single layer of cuboidal cells. A small number of glands were scattered in the underling stroma composed of closely packed small round or ovoid cells with scant cytoplasm resembling endometrial stromal cells, and abundant capillaries. Hemosiderin deposits were observed. Immunohistochemically, the lining cells of the cysts and glands were positive for CAM5.2, vimentin and calretinin, and were negative for CD10, estrogen and progesterone-receptors, indicating mesothelial profiles. The stromal cells expressed vimentin, estrogen- and progesterone-receptors and CD10. The findings indicated stromal endometriosis associated with the tunica vaginalis. Mullerian or endometriotic metaplasia and stromal cell hyperplasia under the influence of prolonged estrogen therapy may be the mechanism of this lesion.
Masaharu Fukunaga
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-19
Journal Detail:
Title:  Pathology, research and practice     Volume:  -     ISSN:  1618-0631     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806109     Medline TA:  Pathol Res Pract     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011. Published by Elsevier GmbH.
Department of Pathology, The Jikei University School of Medicine, Tokyo, Japan.
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