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Korean Journal of Obstetrics & Gynecology 2008;51(4):420-428.
Published online April 1, 2008.
Correlation of transvaginal radiofrequency myolysis and estrogen, progesteron receptor in uterine myoma.
Hyun Hee Cho, Ji Han Jung, Sue Youn Kim, Jae En Jung, In Chul Jung, Sung Jin Hwang, Mee Ran Kim, Jin Hong Kim
1Department of Obstetrics and Gynecologic, Catholic University Medical College, Korea. endogy@hanmail.net
2Department of pathology, Catholic University Medical College, Seoul, Korea.
3Department of Obstetrics and Gynecology, Wonkwang University, Sanbon, Korea.
The aim of this study was to investigate the changes in hormone receptors of myoma cells and volume decrement of myoma after radiofrequency myolysis. METHODS: From 2005 January to 2006 January, thirty patients who have had high-frequency myolysis were included in this study. Needle aspiration biopsy was done at the central portion of myoma pre- and 6 months post-operation. Radiofrequency myolysis were done for 20 minutes until discoloration of myoma was accomplished to 80%. The stain intensity of estrogen receptor (ER) and progesterone receptor (PR) was classified into "negative", "trace", "weak", "moderate" and "strong". RESULTS: The volume decrement was 96.4% in the group that showed trace to week stain intensity (under 50% stain intensity), but it decreased to 66.6% in the group that showed strong stain intensity (over 50%, moderate to strong)(P<0.05). ER showed moderate to strong positive response in 79% of patients before operation, but it showed negative to week response in 83% of patients after the operation. Also, PR showed moderate to strong positive response in 80% of patients before operation, but it showed negative to week response in 86% of patients after the operation. CONCLUSIONS: To coagulate entire myoma, we suggested that controlling the intensity of operation by lengthening the time or expanding the extent of operation was more effective in treatment, because the volume decrement of myoma was larger in case that ER and PR was under 50% before the operation.
Key Words: Myolysis, Leiomyoma, Estrogen receptor, Progesterone receptor

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