Fig. 1From: Characteristics of fetal physiological and pathological uterine effusion observed on prenatal ultrasonography: a case reportUltrasonographic comparison between the case of uterine effusion showing a hyperechoic mass (arrow) and sacrococcygeal teratoma (arrowhead): prenatal images of uterine effusion in different sections and gestational weeks (a to d); postnatal image of the uterus (e); ultrasound image in another case of sacrococcygeal teratoma at 24 weeks of gestation for contrast (f), the diagnosis was confirmed by postoperative pathologyBack to article page