Difference between revisions of "Medullary thyroid carcinoma"

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*Amphophilic, somewhat granular cytoplasm
*Amphophilic, somewhat granular cytoplasm
*Cells may have a more bizarre appearance
*Cells may have a more bizarre appearance
*Good clue is the interstitial oedema, giving the appearance that the cells are 'falling apart'
*Cells may appear to be 'falling apart'due to interstitial oedema.


Stroma
Stroma
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*[[Paraganglioma]] - Negative for keratin, calcitonin and CEA
*[[Paraganglioma]] - Negative for keratin, calcitonin and CEA
*[[Carcinoid]] - Negative for calcitonin
*[[Carcinoid]] - Negative for calcitonin
And of course
*[[Melanoma]] -  
*[[Melanoma]] -  
**Pigment -  
**Pigment -  
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