**Meet the editor**

Dr. Suran Fernando is a Clinical Immunologist and Immunopathologist. He is a Clinical Associate Professor of Medicine at the Sydney Medical School, University of Sydney, Australia, the Inaugural Head of the Department of Clinical Immunology and Allergy at Royal North Shore Hospital, Sydney, the Medical Director of HIV Services in the Northern Sydney Local Health

District, and the Manager of the ImmunoRheumatology Laboratory of the Sydney Division of Pathology North. Dr. Fernando graduated from the University of New South Wales, Sydney in 1994 with honours and obtained fellowships of the Royal Australasian College of Physicians and Royal College of Pathologists of Australasia, respectively, in 2001. He completed his doctoral thesis in 2005 in the Mycobacterial Laboratory at the Centenary Institute, Sydney, under the supervision of Prof. Warwick Britton, studying the p2x7 purinergic receptor and mycobacterial infections in humans. Since his appointment to Royal North Shore Hospital in 2008, he has strengthened the Discipline of Immunology though the provision of a thriving tertiary referral inpatient and outpatient service, the establishment of specialty clinics such as drug testing and neuroimmunology clinics, the introduction of in vitro drug allergy tests, and training and research programs for specialty registrars and scientists. He is on several advisory and policy forming committees including the New South Wales HIV and Sexually Transmitted Infections Strategic Planning Committee, The Australasian Society Clinical Immunology and Allergy Anaphylaxis Working Party, The Australasian Society Clinical Immunology Stinging Insect Working Party, The Australian and New Zealand Anaesthetic Allergy Group, and The International Mentoring Program of the Australasian Society of HIV Medicine. Dr. Fernando's range of research interests includes drug allergy, autoimmune bullous diseases, neuroimmunology, and the relationship between infection and immunity. He has over 100 publications in the form of peer-reviewed articles, invited reviews, books, book chapters, and published abstracts.

Contents

**Preface VII**

**Problems 13** Khitam Al-refu

Suran L. Fernando

Chapter 6 **Oral Lichen Planus 149**

Maria Azul Montani and Gisela Vaglio Giors

Chapter 3 **Skin Biopsy Diagnosis of Langerhans Cell Neoplasms 27**

Chapter 5 **Pemphigus Vulgaris and Pemphigus Foliaceus 105** Suran L. Fernando, Jamma Li and Mark Schifter

Mark Schifter, Suran L. Fernando and Jamma Li

Olga L. Bohn, Julie Teruya-Feldstein and Sergio Sanchez-Sosa

Chapter 2 **Scalp Biopsy and Diagnosis of Common Hair Loss**

Chapter 4 **Severe Cutaneous Adverse Reactions 45**

Chapter 1 **Site Selection 1**