Skin 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