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Difference between revisions of "Basics"
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m (→Strict pathologic definition: fix ref) |
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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==== | ||