This issue of Endocrinology and Metabolism Clinics, Guest Edited by Dr. Vin Tangpricha, will focus on Transgender Medicine. This issue is one of four issues selected per year by the series Consulting Editor, Adriana Ioachimescu. Topics include, but are not limited to, Epidemiology of Transgender, Etiology of Gender Expression and Identity, Hormone therapy in children and adolescents, Transfeminine Hormone Therapy, Transmasculine Hormone Therapy, Dermatologic Conditions in Transgender persons, Gender Affirming Surgery, Fertility Considerations in Transgender persons, Transgender Medicine in the Military, Transgender Medicine in the Elderly, Mental Health in Transgender Persons, Primary Care in Transgender Persons, Cancer Risk in Transgender Persons, Osteoporosis, HIV in Transgender Persons, and Education Needs of Providers of Transgender Populations.

Comprised exclusively of clinical cases covering disorders of vitamin D and its clinical management, this concise, practical casebook will provide clinicians in endocrinology with the best real-world strategies to properly diagnose and treat the various forms of the condition they may encounter. Each chapter is a case that opens with a unique clinical presentation, followed by a description of the diagnosis, assessment and management techniques used to treat it, as well as the case outcome and clinical pearls and pitfalls. Cases included illustrate different causes of deficiency as well as management strategies, including deficiency in healthy patients and infants, in eating disorders and gastric bypass, surgical and chronic hypoparathyroidism, and chronic kidney disease, among others. Pragmatic and reader-friendly, Vitamin D: A Clinical Casebook will be an excellent resource for clinical endocrinologists, nutritionists, and family and emergency medicine physicians alike.