A 44-year-old woman with a history of primary hyperparathyroidism asked her doctor about a number of smooth papules on her face. They appeared slowly over the last several months across her cheeks and nose. They were the same color as the rest of her skin and did not cause her any pain, but their appearance bothered her a bit.
What's your diagnosis?
A. Tuberous sclerosis
B. Multiple endocrine neoplasia type 1
C. Cowden’s syndrome