A 40-year-old man presented to the doctor with a scarring condition of his scalp. Patchy scarring alopecia along with erythematous pustules were seen on the patient’s vertex scalp. In some areas, there were several hairs growing out of a single hair follicle, similar to “bristles on a toothbrush.”
Can you diagnose the patient? Use the Differential Builder in VisualDx to help you.