Clinical Challenge: Underarm Pain, Swelling, and Drainage

A 28-year-old obese Hispanic female complains of pain, swelling and drainage about her left underarm. The condition has been increasing in severity over the past several days. This is a recurrent problem that intermittently affects her axillae, groin and abdominal folds. Examination reveals erythema and induration of the affected area which on palpation elicits tenderness and expresses pus. Sinus tracks ...