Two cases of ovarian serous surface papillary borderline tumours with discordant 18F-FDG PET features.

Ovarian serous tumours are the most common ovarian tumours, and they are classified as benign (60%), borderline (15%), or malignant (25%) (Tanaka et al. 2011; Kwon et al. 2013; Park et al. 2018). B...