Testicular germ cell tumours in dogs are predominantly of spermatocytic seminoma type and are frequently associated with somatic cell tumours.
Int J Androl
; 34(4 Pt 2): e288-95; discussion e295, 2011 Aug.
Article
em En
| MEDLINE
| ID: mdl-21615421
ABSTRACT
Unlike seminomas in humans, seminomas in animals are not typically sub-classified as classical or spermatocytic types. To compare testicular germ cell tumours (TGCT) in dogs with those of men, archived tissues from 347 cases of canine testicular tumours were morphologically evaluated and characterized using human classification criteria. Histopathological and immunohistological analysis of PLAP, KIT, DAZ and DMRT1 expression revealed that canine seminomas closely resemble human spermatocytic seminomas. In addition, a relatively frequent concomitant presence of somatic cell tumours was noted in canine TGCT. None of the canine TGCT evaluated demonstrated the presence of carcinoma in situ cells, a standard feature of human classical seminomas, suggesting that classical seminomas either do not occur in dogs or are rare in occurrence. Canine spermatocytic seminomas may provide a useful model for this rare human neoplasm.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Neoplasias Testiculares
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Seminoma
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Neoplasias Embrionárias de Células Germinativas
Tipo de estudo:
Prognostic_studies
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Risk_factors_studies
Limite:
Animals
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Humans
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Male
Idioma:
En
Ano de publicação:
2011
Tipo de documento:
Article