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The sonographic "onion skin" sign was initially described as concentric echogenic layers in mucinous tumors unrelated to the female reproductive system. Typically, the sonographic appearance of ovarian mucinous cystadenoma includes numerous septa and fine, gravity-dependent echoes. We present a case of the "onion skin" sign in a mucinous ovarian tumor. [ABSTRACT FROM AUTHOR]

Presents information on placental site trophoblastic tumor (PSST). Description of two case reports of PSST patients; Symptoms of PSST; Treatment procedure.

Presents a case of two families with ovarian dermoid cysts. Medical history of the families; Role of the process of parthenogenesis in the occurrence of dermoids; Diagnosis of the disease.

Objectives: Ripening of the cervix with a Foley catheter commonly results in cervical dilatation without contractions. We examined the outcome of labour in women who underwent induction of labour using a Foley catheter, followed by either 1. early amniotomy, or 2. augmentation of labour by oxytocin and late amniotomy., Design: Prospective randomised clinical trial., Setting: Labour and delivery ward of a university teaching hospital., Participants: Pregnant women > or =38 weeks of a singleton gestation, who had had no prior caesarean section., Methods: All women underwent cervical ripening using a Foley catheter. Following removal of the catheter, women were randomly assigned to either early (n = 80) or late amniotomy (n = 88)., Main Outcome Measures: Comparison of mode of delivery and duration of labour between the two groups., Results: The rate of caesarean section was significantly higher in the early amniotomy group compared with the late amniotomy group (25% vs 7.9%; relative risk 1.74; 95% CI 1.3 - 2.34). The increase in caesarean section rate was due primarily to dystocia (15% vs 3.3%; relative risk 1.8; 95% CI 1.32 - 2.45). When excluding caesarean deliveries, no significant difference was found in duration of labour between the groups (8.3 hours (3.8) vs 7.7 hours (2.9))., Conclusions: In women who undergo cervical ripening with a Foley catheter, augmentation of labour by oxytocin followed by amniotomy during active labour results in a lower rate of caesarean delivery for dystocia.