kashdoc21
Forum Senior
Topics: 52
Posts: 127
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C - non hodgkins lymphoma
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| smal
Forum Guru
Topics: 140
Posts: 727
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thnaks kashdoc 21
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| ManuNastai
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NO! keratin is carracteristic of epithelial cells, so A should be the answer?! 
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| drfax
Forum Elite
Topics: 23
Posts: 262
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I think it should be B.malignant melanoma, coz keratin in keratinocytes
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| ManuNastai
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eosinophilic cytoplasm in melanoma cells? my friend, melanocytes aren't epithelial cells!!!! the derive from neural crest cells!!
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| proctalgia
Forum Senior
Topics: 2
Posts: 209
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EEE,
prominent intercellula bridges(desmosomes) is a feature of Sq cell Ca.
Vimentin is + for sarcoma.
Keratin + in all epthelial cells------> carcinoma
CD markers ------> seen normally in lymphomas and leukemias
Head and neck ------> common site for Sq Cell Ca
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| ManuNastai
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yes, thank you proctalgia for getting the correct answer in front of our eyes!!! 
it's like when you look for your keys in all your pockets and they're in your hand
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| vallia
Forum Guru
Topics: 98
Posts: 889
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E sure
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| ssrpk
Forum Fanatic
Topics: 154
Posts: 2,819
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keratin positive in all epithelial; tumors???? are u sure! i thought they are +ve in sq.cell tumors only!
plz clarify!
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| klimt
Forum Guru
Topics: 27
Posts: 605
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E is correct
cytokeratin is the marker for all epithelial cells in the body:
cytokeratin - epithelial cells
vimentin - connective tissue
desmin - muscle
GFAP - neuroglia
neurofillaments - neurons
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