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Obstet Gynecol. 1995 Oct;86(4 Pt 2):688-92.

Leuprolide acetate and intravascular leiomyomatosis.

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Department of Obstetrics and Gynecology, Chulalongkorn University Hospital, Bangkok, Thailand.



Intravascular leiomyomatosis is an uncommon uterine tumor characterized by grossly visible intravascular proliferation of benign smooth muscle. Based on its role in reducing the size of leiomyomas, leuprolide acetate was given as induction therapy for extensive inoperable intravascular leiomyomatosis.


A 44-year-old woman, gravida 1, para 1-0-0-1, presented in July 1992 with abnormal uterine bleeding. Pelvic examination and ultrasonography revealed the presence of a large irregular pelvic mass. At laparotomy, uterine and bilateral adnexal masses were noted extending up to the pelvic inlet and into the broad and infundibulopelvic ligaments. This tumor was not resectable. Based on histologic and immunoperoxidase studies, the lesion was interpreted as a plexiform epithelioid smooth-muscle tumor of uncertain malignant potential. Leuprolide acetate depot therapy (7.5 mg every 4 weeks) was begun in September 1992 and continued for a total of 20 months. Maximal tumor regression was achieved after 9 months. Subsequent reexploration at 20 months revealed a resectable tumor. Resection was accomplished successfully, leaving no apparent residual disease.


Leuprolide acetate induced tumor regression and rendered debulking surgery feasible in a patient with previously unresectable, widespread, retroperitoneal intravascular leiomyomatosis. Primary hormone therapy may provide alternative therapeutic options for certain cases of intravascular leiomyomatosis.

[Indexed for MEDLINE]

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