08-29-2004, 07:55 AM
tj347
A 50 year-old woman comes to the physician because of a visible painless lump in her neck for the past 60 months. Her pulse is 80/min, respirations are 14/min, and blood pressure is 120/70 mm Hg. She has an enlarged, nontender thyroid gland initial thyroid function studies are normal. Her serum thyroid-stimulating hormone (TSH) concentration is 15 microunits/ml, and serum thyroxine (T4) concentration is 3.5 microgram/dl. Which of the following describes the most likely pathologic findings in her thyroid gland?
a. Absence of thyroclobulin
b. Heavy lymphocyte with germinal center formation
c. Noncaseting granulomas
d. Presence of an antibody that simulates the action of TSH
e. Regenerative nodules with lake of excess thyroid proteins
A 50 year-old woman comes to the physician because of a visible painless lump in her neck for the past 60 months. Her pulse is 80/min, respirations are 14/min, and blood pressure is 120/70 mm Hg. She has an enlarged, nontender thyroid gland initial thyroid function studies are normal. Her serum thyroid-stimulating hormone (TSH) concentration is 15 microunits/ml, and serum thyroxine (T4) concentration is 3.5 microgram/dl. Which of the following describes the most likely pathologic findings in her thyroid gland?
a. Absence of thyroclobulin
b. Heavy lymphocyte with germinal center formation
c. Noncaseting granulomas
d. Presence of an antibody that simulates the action of TSH
e. Regenerative nodules with lake of excess thyroid proteins