Teenager with clinically suspected acute appendicitis was addressed to urgent abdomen ultrasound. At ultrasound an vermiform appendix did not visualized due to intestinal content which is blocks ultrasound. Under the not fully distended bladder was partially visualize some large cystic mass(about 4 cm) and fluid inclusion in the projection of the uterus cervix. Was recommended female pelvis sonography after the right preparation(filling of the bladder). At the female pelvis sonography(end of menstrual cycle) after some hours well defined cystic mass 4x5cm with thick wall in the right iliac area(projection of complaints on pain) - differential diagnosis: hemorrhagic cyst of the right ovary, etc. In the cervix of the uterus visualized some anechoic inclusion (diff. diagnosis: EGS, fluid in the cervical canal, etc.). At the uterus fundus visualized two canals(diff. diagnosis: duplication of the uterus, etc.). external link | 
