A 16-year-old girl is brought to the physician by her mother for a routine health maintenance examination. She has had intermittent urinary frequency over the past 5 months. There is no urgency or pain on urination. She has no past medical history. Menarche was at the age of 13 years. Menses occur every 2-3 months and last 3-9 days. She is not sexually active. BMI is 29. Vitals are normal. Examination shows increased hair growth over the upper lip. There are hyperpigmented velvety lesions on the neck. Urinalysis shows no abnormalities. Which of the following is the most likely diagnosis?
Cushing syndrome
Hypothyroidism
Pregnancy
Type II diabetes mellitus
Urinary tract infection
