A 16-year-old female is brought in by her mother with concerns of irregular menstruation for six months. Her mother reports that she has started exercising for 1 hour every day and sometimes skips meals. Family history is significant for major depressive disorder in maternal grandmother. On examination, the patient has lost 4 kgs (8.8 lbs) since her last health checkup. Her vital signs are within the normal range. Her oral cavity examination shows multiple dental erosions. What are other characteristic skin lesions likely to be present in this patient?
A. Perioral dermatitis
B. Skin excoriations
C. Self-inflicted cuts on the wrist
D. Callus on the dorsum of the hand