A persistently elevated postoperative human chorionic gonadotropin (hCG ... embryomal tumor, yolk sac tumor and choriocarcinoma. The patient's postorchiectomy AFP level was 41.7 µg/l and ...

The fetal membranes consist of the chorion, amnion, yolk sac, and allantois. The chorion has three layers: cytotrophoblastic, chorionic connective tissue, and basement membrane. The chorion lies ...

However, a gestational sac can be identified on transvaginal ... on the evacuated uterine contents to look for the presence of chorionic villi. If chorionic villi are identified, the diagnosis ...