INTRODUCTION
A 69-year-old woman presented with a 10-day history of an asymptomatic
peristomal plaque. On clinical examination, a large erythematous scaly
plaque, 10 cm. in diameter, with sharply demarcated borders, was
observed on the left abdominal side, around the stoma (Figure).
What would you do next?
A. Prescribe a steroid cream
B. Perform a biopsy
C. Perform a total body physical examination
D. Investigate past medical history