Two-session Catheter-directed Sclerotherapy Using Ethanol for Endometrioma

"After receiving the first session of catheter-directed sclerotherapy, each patient carries the catheter overnight and is closely monitored in the patient ward. Then, the patient receives the second session the next day. The catheter is removed after the second session.~The procedure was performed under intravenous sedoanalgesia using a combination of 25 mg pethidine hydrochloride and 50 mg fentanyl. Devices used during the procedure included:~* An 18-gauge, 20-cm Chiba biopsy needle (Cook, Bloomington, IN, USA);~* A 0.035-inch hydrophilic guidewire (Terumo, Tokyo, Japan);~* A 7- or 8.5-F pigtail catheter (Dawson-Mueller Drainage Catheter; Cook)."