Difference between revisions of "Basics"

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#Chromatin - coarseness (fine, granular).
#Chromatin - coarseness (fine, granular).
#Nucleoli - number (absent, present, multiple).
#Nucleoli - number (absent, present, multiple).
#*Large nucleoli (nucleoli seen with the 10x objective) pretty much exclude neuroendocrine.
#*Large [[nucleoli]] (nucleoli seen with the 10x objective) pretty much exclude neuroendocrine.


Probable category by morphology:
Probable category by morphology:
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*Neuroendocrine carcinoma = cohesive, fine granular chromatin and no nucleolus.
*Neuroendocrine carcinoma = cohesive, fine granular chromatin and no nucleolus.
*Lymphoma = dyscohesive, relatively small (usually <=2X neutrophil diameter), usu. scant basophilic (blue) cytoplasm.
*Lymphoma = dyscohesive, relatively small (usually <=2X neutrophil diameter), usu. scant basophilic (blue) cytoplasm.
*Melanoma = classically pigmented, often a prominent red nucleolus, a mix of spindle cells and epithelioid cells, mix of cohesive and dyscohesive cells.
*Melanoma = classically pigmented, often a prominent [[red nucleolus]], a mix of spindle cells and epithelioid cells, mix of cohesive and dyscohesive cells.


====Dyscohesive vs. cohesive====
====Dyscohesive vs. cohesive====
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