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Mouse Model of Surgically-induced Endometriosis by Auto-transplantation of Uterine Tissue
Published on: January 6, 2012
Histopathological changes in leiomyomata treated with leuprolide acetate
N B Upadhyaya1, M C Doody, P B Googe
1Department of Obstetrics and Gynecology, University of Tennessee Medical Center, Knoxville 37920.
Fertility and Sterility
|November 1, 1990
Summary
Leuprolide acetate (LA) reduces uterine fibroid volume by decreasing tumor cellularity. This study investigated the histopathological changes associated with LA treatment in women undergoing myomectomy.
Area of Science:
- Gynecology
- Oncology
- Pathology
Background:
- Uterine fibroids (leiomyomas) are common tumors in women of reproductive age.
- Leuprolide acetate (LA), a gonadotropin-releasing hormone agonist, is used to reduce fibroid size.
- The precise mechanism of LA's effect on fibroid tissue remains unclear.
Purpose of the Study:
- To investigate the histopathological changes in uterine fibroids following treatment with leuprolide acetate.
- To determine the correlation between LA therapy and specific tissue characteristics.
Main Methods:
- Blind review of histopathological slides from 31 women who underwent hysterectomy or myomectomy.
- Analysis focused on 17 women who underwent myomectomy, with 10 receiving prior LA treatment.
- Pathological assessment included cellularity, fibrosis, edema, and mitotic activity.
Main Results:
- All 10 patients treated with LA showed reduced tumor size prior to myomectomy.
- LA treatment was associated with a significant decrease in tumor cellularity.
- No significant changes were observed in fibrosis, edema, or mitotic activity post-LA treatment.
Conclusions:
- Leuprolide acetate effectively reduces uterine fibroid volume.
- The primary mechanism appears to be a reduction in tumor cellularity.
- LA does not significantly alter fibrosis, edema, or mitotic activity in leiomyomas.

