Nishio N, Kido A, Kurata Y, et al. - This study was carried out to assess whether contrast-enhanced (CE)-MRI enhances identification of implantation site of ectopic pregnancy. A retrospective study was conducted to recruit a total of 63 individuals in whom implantation sites had been confirmed at histopathology. Researchers investigated following MRI features: extrauterine gestational sac (GS)-like structure (shape, signal intensities at T1-weighted imaging [WI], T2WI, and diffusion-weighted imaging [DWI], presence of the three rings appearance, and distinct low intensity areas at T2WI, presence of tree or dot-like components, degree of contrast enhancement), fallopian tube (dilatation, dilatation with haematoma, degree of contrast enhancement, enhanced components within the tube), and ascites. They correlated these findings for non-CE and non-CE+CE-MRI data, and for expert and inexpert groups. While the addition of contrast improvement did enable inexpert radiologists to diagnose confidently, it was noted that CE-MRI did not significantly improve correct identification of ectopic pregnancy implantation sites.