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34. Seminoma: Difference between revisions

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Seminomas never contain necrosis. The high glycogen content of the tumor cells make them PAS positive. The conventional (clear cell) renal cell carcinoma has similar-looking cytoplasm, but those tumor cells wouldn’t be PAS positive.
Seminomas never contain necrosis. The high glycogen content of the tumor cells make them PAS positive. The conventional (clear cell) renal cell carcinoma has similar-looking cytoplasm, but those tumor cells wouldn’t be PAS positive.
[[File:Seminoma - GCNIS.png|thumb|Taken from the encircled area on the overview image. This shows seminiferous tubules filled with large atypical cells, which is characteristic for GCNIS.|left]]
[[File:Seminoma - GCNIS.png|thumb|Taken from the encircled area on the overview image. This shows seminiferous tubules filled with large atypical cells, which is characteristic for GCNIS.]]
[[File:Seminoma - low magnification.png|thumb|From the main tumor, low magnification|332x332px]]
[[File:Seminoma - low magnification.png|thumb|From the main tumor, low magnification|332x332px]]
[[File:Seminoma - high magnification.png|thumb|From the main tumor, high magnification]]
[[File:Seminoma - high magnification.png|thumb|From the main tumor, high magnification|left]]
[[Category:Pathology 2 - Histopathology slides]]
[[Category:Pathology 2 - Histopathology slides]]