A 54-year-old woman with a 6-year history of type 2 diabetes visits her physician for a regular examination. She was initially treated with oral hypoglycemic but her HbA1c had gotten worse so, her physician switched to insulin last year. Six-month ago, she had surgery in her wrist to release compression caused by carpal tunnel syndrome. Now, she complains of progressive increase in her feet size. Examination reveals coarse facial features with prominent supraorbital ridge.
What is the most appropriate test to help reach the diagnosis of this case?
A - Assessment of insulin-like growth factor 1 (IGF-1)
B - Measurement of thyroid stimulating hormone (TSH)
C - Measurement of HbA1c
D - Fasting serum glucose test
E - Dexamethasone suppression test
Answer: https://qbankusmle.com/?p=768
Ans E