A 58-year-old man presents with a slowly growing, pearly nodule with central ulceration on his left cheek for the past 8 months. He has fair skin and a history of excessive sun exposure. On examination, the lesion shows rolled edges and a central crater. What is the investigation of choice to confirm the diagnosis?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.