Recall 1:
Which test differentiates Graves’ disease from other causes of thyrotoxicosis?
A. Anti-TPO
B. TSH
C. Anti-TSH receptor antibodies (Anti-TRAb)?
D. T3/T4
E. Radioactive iodine uptake scan?
Answer: I Think C or E (Anti-TRAb or uptake scan – both are useful in differentiating Graves from other causes of thyrotoxicosis)
Recall 2:
A patient presents with weight loss, tremor, and night sweats. On examination, there is goiter and exophthalmos. What is the most likely diagnosis?
A. Hashimoto’s thyroiditis
B. Subacute (De Quervain) thyroiditis
C. Graves’ disease
Answer: C. Graves’ disease
Recall 3:
What is the most specific antibody for diagnosing Graves’ disease?
A. Anti-TPO
B. Anti-Tg
C. ANA
D. Anti-TSH receptor antibody (Anti-TRAb)
Answer: D. Anti-TRAb