Endoscopic surgery in the lumbar spine: experience of the ABC Medical Center

Introduction The history of percutaneous full-endoscopic spine surgery dated to 1989 when Schreiber, Suezawa, and Leu added a “discoscopy” to the percutaneous discectomy described first by Hijikata in 1975 and later popularized by Kambin, who added the description of the security triangle that holds his name, to approach the intervertebral dfisk on 19861. Later Mayer […]

Arthroscopic surgery in patients with knee osteoarthritis

Introduction Osteoarthritis (OA), also called arthrosis, is the most common form of joint disease and one of the leading causes of chronic disability, largely due to knee and hip involvement. The World Health Organization considers OA a cause of disability in at least 10% of the population over 60 years of age1. The knees are […]

Gender reassignment surgery

Introduction Gender variance is a term used to describe behaviors, appearances, expressions, or identities of a person that does not conform to the cultural norms expected of their biological sex1. Within the concepts that explain human sexuality, there are biological sex, sexual orientation, gender identity, and gender expression. Sexual expression is multifaceted and presents considerable […]