Giant exophytic cystic adenomyosis with a levonorgestrel containing intrauterine device out of the uterine cavity after uterine myomectomy: A case report

Table 1 Specific information of the patient before and after treatment

Time	Information
June 2011	Laparoscopic myomectomy
July 2011	The menstrual period lasted approximately 12 d
July 2015	Dysmenorrhea occurred and worsened progressively
March 2017	B-mode ultrasound findings showed an endometrial cystic mass at the posterior uterine isthmus, and a levonorgestrel-containing intrauterine device was inserted into the “uterine cavity”
June 2017	A large cystic lesion in the pelvic cavity was observed by magnetic resonance imaging. The giant exophytic cystic mass and levonorgestrel-containing intrauterine device was removed via laparoscopic surgery
August 2017	She has been relieved from symptoms of dysmenorrhea and abnormal uterine bleeding