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marshmanic

New Member
10+ Year Member
Pg. 560 of First Aid describes how RET oncogene mutations can lead to neural crest tumors, i.e. pheochromocytoma, medullary carcinoma of the thyroid and (the part that confuses me) parathyroid adenoma.

I get the first two -- pheochromocytoma and adenoma of the parafollicular cells -- these are neural crest derivatives.

But what is the deal with parathyroid adenoma? Isn't it an endodermal derivative?

Thx!
Dan