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NBME 20 Answers

nbme20/Block 3/Question#3

A 45-year-old woman has a thyroidectomy because of ...


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submitted by hayayah(525),

Patient has medullary carcinoma. Malignant proliferation of parafollicular "C" cells that produce calcitonin and have sheets of cells in an amyloid stroma.

xxabi  Just to add - patient likely has MEN 2A or 2B with the presence of medullary thyroid cancer and pheochromocytoma +3  
sympathetikey  @xxabi Was going to say the same thing. +  
dermgirl  The patient have MEN 2B (Medullary thyroid carcinoma + Pheochromocytoma) Page 351 FA. +