Dental A young boy presented with a lesion over his right buttock, which had peripheral scaling with central scarring. The investigation of choice would be? A Tzanck smear B KOH preparation C Biopsy D Sabourad's agar 💡 Explanation A young boy presented with a lesion over his right buttock, which had peripheral scaling with central scarring. The investigation of choice would be? ✓ Correct Answer: C. Biopsy