I identified a parathyroid carcinoma in an preexisting adenoma. Do any of you know of previous literature that deals with this type of occurrence?

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Michael Fridman

The only criteria for identification of parathyroid carcinoma is metastatic growth (lymph nodes or inner organs). Therefore, most probably you are dealing with atypical parathyroid adenoma.

Eivind Carlsen

Thank you for replying!

I wish you were right, Michael.... All criteria are there, clinically and histologically

in any case I can recommend to look this paper:

Parathyroid tumors and related disorders

Ronald A DeLellis

Modern Pathology (2011) 24, S78–S93

Will do. Thank you!

Eivind