Dr. Juan Luis Alcazar, a highly experienced professional in the field of obstetrics and gynecology, practices at the renowned Clínica Universidad de Navarra in Pamplona, Spain. With an impressive 28 years of experience, Dr. Alcazar specializes in reproductive medicine and cancerous gynecology, focusing particularly on high-resolution ultrasound. Graduating in medicine from the University of Navarra in June 1990, he furthered his academic pursuits by earning a Doctorate from the same institute in 1997. Dr. Alcazar completed his specialization in obstetrics and gynecology at the Clínica University of Navarra in 1994 and underwent training stays at international centers, including Perigueux and the University of Southern California. Fluent in both Spanish and English, Dr. Juan Luis Alcazar is a dedicated member of the editorial board for various scientific journals, such as Ultrasound in Obstetrics and Gynecology and the World Journal of Radiology. Since 2016, he has co-directed the Department of Obstetrics and Gynecology, focusing his research on ultrasound in the evaluation of adnexal masses and endometrial pathology. Dr. Alcazar is an expert in pelvic endometriosis and 3-D ultrasound, contributing to European multicenter projects like IOTA and IETA. Accredited as a University Professor in the Obstetrics and Gynecology department by ANECA, he has supervised numerous Ph.D. theses and holds the position of Associate Professor at the University of Navarra since 2009. With over 200 scientific research articles and contributions to multiple book chapters, Dr. Juan Luis Alcazar is a respected authority in the field, emphasizing his commitment to advancing knowledge in reproductive medicine and gynecological oncology.