A 38 year old female has painless enlargement of the thyroid gland. She is currently euthyroid, but eventually becomes hypothyroid. Based upon this microscopic appearance of the thyroid gland, which of the following laboratory test findings would you most expect to be present in this patient:

A Increased serum calcitonin

B High antimicrosomal antibody titer

C Decreased serum TSH

D Positive antinuclear antibody test

E Hypergammaglobulinemia

NEXT QUESTION - or - INDEX OF QUESTIONS - or - TUTORIAL MENU