湾曲したMEA用マイクロ波アプリケーターで行う子宮筋腫の経頸管的マイクロ波アブレーション

概要

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A microwave applicator 4 mm in diameter inducible into myoma without a guiding needle was newly developed. Using the applicator, a feasibility study of ultrasonically guided transcervical microwave myolysis for uterine myomas was performed. After completion of microwave endometrial ablation for menorrhagia, a newly developed microwave applicator with a conic end was transcervically introduced into the uterine cavity and inserted into the myoma tissue assisted by transabdominal ultrasonic guidance. Three patients waiting for microwave endometrial ablation for menorrhagia caused by myomas entered the study. In the 3 patients, the major part consisting of a submucous myoma 5.2 to 10.8 cm in size was necrotized. The myoma shrank by 42 to 78% in the following 3 months. Ultrasonically guided transcervical microwave myolysis using a 4 mm applicator with a conic end is feasible.