Patti Loykasek at Phenopath Laboratories Seattle notes:
>>TTF is an abbreviation for thyroid transcription factor. TTF1 is positive
on epithelial cells of thyroid and lung, so normal lung or thyroid would make
a good control to work out the titer & pretreatments.<<
TTF1 has been all over the Pathology Listserv (PATHO-L) the last few days,
with great enthusiasm. Expect you'll be hearing a lot about it.
I'll never see it - just wish more of my locum tenens clients had a high
molecular weight cytokeratin stain for prostate biopsies!
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