Geeti Khullar1, Shankila Mittal1, Shruti Sharma2. 1. Department of Dermatology and Sexually Transmitted Diseases, Vardhman Mahavir Medical College and Safdarjung Hospital Campus, New Delhi, India. 2. Department of Pathology, National Institute of Pathology (Indian Council of Medical Research), Safdarjung Hospital Campus, New Delhi, India.