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FNAB, result

Posts: 14
Joined: Mar 2011

OK, my biopsy result of tumor in parotid gland:

Cellulae neoplasmaticae, adenoma pleomorphum sialogenes

I googled it is a tumor mixtus. My question:

I read that it is a benign tumor, but sometimes it can transform to malignant tumor. Is biopsy able to show whether it transformed to malignant or not?

Thank you,

ratface's picture
Posts: 1319
Joined: Aug 2009

I can't speak to your question about tumors transforming. I can tell you that I personally think FNAB is next to worthless. Any result you get with this just relies on how much tissue, if any and what part of the tissue was sampled by the needle. You have to follow up with either image comparison or a formal biopsy. Take all FNAB results with a little skepticism.

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