This volume on Rarer Arthropathies, part of the series "Rare Diseases of the Immune System" aims to fill a gap in the literature by informing and updating clinicians on the unusual and uncommon forms of arthritis and related musculoskeletal conditions. It will be a valuable go-to resource for clinicians to support them in differential diagnosis, in particular when facing unusual presentations. Nineteen chapters written by experts have covered a wide range of these conditions, providing first rate information on topics yet lacking adequate coverage; from Palindromic Rheumatism to SAPHO Syndrome and other chronic immune-mediated conditions, while also including arthritis in leprosy, tuberculosis and chikungunya.

Smaller, crisp paragraphs and apt subheadings will help the readers in easily understanding the up to date information provided in the chapters. Line diagrams, original full-color clinical photographs and informative tables also support easy assimilation of information, turning this book in a useful ready reckoner on the desks and smartphones. All specialists, including rheumatologists, orthopedic surgeons, pediatricians, physicians practicing internal medicine and rehabilitation medicine will find this volume invaluable in their daily clinical work.

Prof. Vinod Ravindran is a consultant rheumatologist and director of Centre for Rheumatology, Calicut, Kerala and an adjunct Professor of Medicine at the Kasturba Medical College, Manipal. He was trained in internal medicine in India and the UK. He had Rheumatology specialist training at London and also obtained a master's degree in Rheumatology from the King's College at London, UK. He is a fellow of the Royal College of Physicians of Edinburgh. He is an associate editor of Rheumatology-Oxford and is also on the editorial board of several scientific journals. He was the Editor-in-Chief of Journal of Royal College of Physicians of Edinburgh (2018-2021) and the Indian Journal of Rheumatology (2016-2018).He has edited/co-edited 3 journal supplements and 10 books, has contributed 24 book chapters and published over 100 papers. He is a thesis guide for the Manipal University, India and Cardiff University, UK; an International MRCP (UK)-PACES Examiner and regularly evaluates abstracts for the European League Against Rheumatism (EULAR) and the British Society for Rheumatology (BSR) annual meetings. He is a recipient of the Nature Travel Award (2012), the EULAR scientific travel fellowship, and the BSR Travelling Fellowship (2007). His main interest within rheumatology are Rheumatoid Arthritis--education & awareness, high-risk Lupus pregnancies, Meta-analysis and Cutaneous vasculitis. In addition, he has a keen interest in promoting the art and science of scientific writing and raising awareness regarding the ethical aspects of biomedical publications and has published widely in the aforementioned areas.

Dr. Mohit Goyal completed his MBBS and MD in Internal Medicine from RNT Medical College, Udaipur. He did his fellowship in rheumatology at Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi. He is a trained musculoskeletal ultrasound (EULAR) expert. He has more than 20 publications in indexed, peer-reviewed national and international journals and eight chapters in widely read books. He served as an executive editor of the Handbook of Osteoarthritis (2021), is an Assistant Editor of the Indian Journal of Rheumatology, an editorial board member of Rheumatology Advances in Practice (Oxford) and a reviewer for various international journals. He has been a faculty and a judge for paper and poster sessions at various national and international conferences. Areas of his special interest include scientific writing, critical appraisal, editing, patient reported outcomes, rheumatic disease awareness and rehabilitation. He currently works as a Consultant Rheumatologist at CARE Pain & Arthritis Centre, Goyal Hospital, Udaipur.