Aspiration and sclerosis of pelvic cysts Pelvic cysts mainly refer to ovarian cysts, including non-neoplastic ovarian cysts and ovarian chocolate cysts and tubo-ovarian cysts. The tumor condition is excluded by ultrasound, CT, MRI, tumor markers and other auxiliary examinations, and the cystic fluid is uniform without atrial septum. The traditional treatment method is open or laparoscopic cyst debridement or adnexal resection, which has the disadvantages of large trauma, anesthesia risk and relatively long recovery time. Interventional minimally invasive treatment has been pioneered into this field in recent years. Under ultrasound, CT, DSA localization and guidance, the cyst cavity is punctured under local anesthesia, the cyst fluid is evacuated, and anhydrous ethanol or polyglactin sclerosing agent is injected to prevent recurrence, which is less traumatic and has very short recovery time, and the patient can be discharged the next day. Ablation of gynecological tumors Interventional treatment of gynecological tumors is not only limited to arterial chemotherapy perfusion and embolization, but also in cases where tumor blood supply is more and more chaotic and cannot be completely blocked, or where mesenteric artery is involved in blood supply and cannot be embolized, local ablation such as microwave, radiofrequency, argon helium knife and particle implantation can be chosen as effective treatment methods. Multi-functional DSA with CT has scanning, positioning and real-time guiding puncture function, which provides convenient conditions for tumor ablation, but it is still necessary to avoid damage to surrounding organs and blood vessels and avoid complications.