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==Seminoma== | ==Seminoma== | ||
===General=== | |||
*Male counterpart of the [[dysgerminoma]], which arise in the [[ovary]]. | *Male counterpart of the [[dysgerminoma]], which arise in the [[ovary]]. | ||
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***Nucleus has "corners", i.e. it is ''not'' round. | ***Nucleus has "corners", i.e. it is ''not'' round. | ||
*Lymphoctyes common, not essential. | *Lymphoctyes common, not essential. | ||
*May see [[syncytiotrophoblast]]s. | *May see [[syncytiotrophoblast]]s, AKA ''syncytiotrophoblastic giant cells'' (STGCs).<ref>GUP P.542.</ref> | ||
**Large + | **Large + irregular, vesicular nuclei. | ||
**Eosinophilic vacuolated cytoplasm (contains hCG). | **Eosinophilic vacuolated cytoplasm (contains hCG). | ||
** | ***Syncytiotrophoblasts = closest to mom in normal [[chorionic villi]] - covers cytotrophoblast.<ref>URL: [http://upload.wikimedia.org/wikipedia/commons/4/45/Gray37.png http://upload.wikimedia.org/wikipedia/commons/4/45/Gray37.png]. Accessed on: 31 May 2010.</ref> | ||
*May see florid granulomatous reaction. | *May see florid granulomatous reaction. | ||
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