Dental A 85 year old woman with Nikolsky sign–ve, blisters on thigh & trunk, lesions come on & off. What is the cause – A Pemphigus vulgaris B Pemphigoid C Lichen planus D Dermatitis herpetiformis 💡 Explanation A 85 year old woman with Nikolsky sign–ve, blisters on thigh & trunk, lesions come on & off. What is the cause – ✓ Correct Answer: B. Pemphigoid