Difference between revisions of "Small round cell tumours"

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==Microscopic==
==Microscopic==
Features:
Features:
*Small cells ~ 2X [[RBC]] diameter - '''key feature'''.
*Scant cytoplasm/high NC ratio.
*Sheets of cells, very cellular.
*Sheets of cells, very cellular.
*Small cells ~ 2X RBC diameter.
*Scant cytoplasm.
*Coarse chromatin.
*Coarse chromatin.
*+/-Nucleolus. (???)
*+/-Nucleolus; usu. not prominent.  
*+/-Vascular.
*+/-Vascularity.


==Tabular comparison==
==Tabular comparison==
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