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21. Oligodendroglioma: Difference between revisions
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(Created page with "'''Staining''': HE '''Organ''': Brain '''Description''': Both grey and white matter is visible, although the white matter isn’t very white anymore as it has been invaded by the tumor. The tumor also invades the grey matter, so tumor cells are visible everywhere on the slide. There is cystic degeneration in the upper left corner. Small cells with dark nuclei and a pale “halo” around them are characteristic for oligodendroglioma. This is called “fried egg” m...") |
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'''Staining''': HE | [[File:Oligodendroglioma - Overview.png|thumb|Overview]]'''Staining''': HE | ||
'''Organ''': Brain | '''Organ''': Brain | ||
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There is cystic degeneration in the upper left corner. | There is cystic degeneration in the upper left corner. | ||
Small cells with dark nuclei and a pale “halo” around them are characteristic for oligodendroglioma. This is called “fried egg” morphology. | Small cells with dark nuclei and a pale “halo” around them are characteristic for oligodendroglioma. This is called “fried egg” morphology.[[File:Oligodendroglioma - nerve cells.png|thumb|Tumour cells around nerve cell bodies]]Another characteristic finding is the presence of tumor cells around neurons. | ||
Another characteristic finding is the presence of tumor cells around neurons. | |||
The last characteristic finding is that of many small capillaries, which form a “chicken wire” morphology. | The last characteristic finding is that of many small capillaries, which form a “chicken wire” morphology. | ||
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The gross morphology of an oligodendroglioma is rounded, soft and pinkish. | The gross morphology of an oligodendroglioma is rounded, soft and pinkish. | ||
[[File:Oligodendroglioma - fried egg cells.png|thumb|What is it with pathologists and naming cells after food items, anyway?|left]] | |||
[[File:Oligodendroglioma - capillaries.png|thumb|The capillaries don’t exactly form a chicken wire but there’s definitely many of them.]] | |||
[[File:Oligodendroglioma - fried egg cells.png | [[File:Oligodendroglioma - chicken wire.png|thumb|This shows how the chicken wire morphology should look. This picture is not from the slide; it’s taken from <nowiki>https://twitter.com/kusaurap/status/739442413668687872</nowiki>.|left]] | ||
[[File:Oligodendroglioma - capillaries.png | |||
[[File:Oligodendroglioma - chicken wire.png | |||
[[Category:Pathology 2 - Histopathology slides]] | [[Category:Pathology 2 - Histopathology slides]] | ||