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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. | [[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]] | ||