A girl 16 years old went to the doctor complaining of tension feeling in the abdomen, is aimed at abdominal ultrasound, for unknown reason decided to drink water before the study - not need for abdominal US. Visually abdomen has abnormal shape - prominent low abdomen. At US practically the entire abdomen (mostly right lateral channel) is filled by giant cyst with some solid component below (cystoma), which is only a couple of cm does not reach the liver. In the right ovary was visualized hyperechoic (like solid) mass or masses. In a survey during the study it appears that there was a delay in menstrual cycle for about six months, with further questioning it turns out that 2-3 days ago was menstruating. The control ultrasound after 2 weeks, M-echo corresponds to second phase of MC, cystoma with no changes, solid mass in the right ovary turned into a cyst, most likely, the corpus luteum. Patient was aimed to oncologist and has operative intervention in oncocenter: " Clinical diagnosis: Left giant size ovarian teratoma. Teratomas of the right ovary. Functional cyst of the right ovary with hemorrhage into the cavity. Surgery: Laparoscopy. Enucleation of the left ovary teratoma. Resection of the left ovary. Enucleation of the right ovary two teratomas. Enucleation of the right ovary cyst." external link | 
