Dr Susanne Johnson is an Associate Specialist in Gynaecology and Lead for Gynaecology Ultrasound in Southampton. She has specialised in gynaecology ultrasound for the last 20 years. Her main interests are the Ultrasound diagnosis of Deep Endometriosis, the prediction of Malignancy in Adnexal masses, and Caesarean Scar Pregnancy. Susanne is the author of the website www.GynaecologyUltrasound.com, a Free Open Access Medical Education initiative. This aims to disseminate knowledge of the ultrasound appearance of gynaecology conditions and contains presentations with step-by-step still images and videoclips of ultrasound examinations.