Abstract Title:

[Endometrial cancers arising in polyps associated with tamoxifen use].

Abstract Source:

Gynecol Obstet Fertil. 2005 Dec;33(12):975-9. PMID: 16321556

Abstract Author(s):

B Anama Mbatsogo, G Le Bouëdec, T Michy, N Bourdel, G Fouilloux, J Dauplat

Article Affiliation:

Service de chirurgie, centre de lutte contre le cancer (CLCC) Jean-Perrin, Clermont-Ferrand, France.


OBJECTIVES: To review and describe the anatomoclinical cases of the endometrial cancers arising on polyps during a hormonotherapy by tamoxifen for breast cancer. PATIENTS AND METHODS: In the surgical inventory 1990-2002 of the benign or malignant uterine lesions investigated by hysteroscopy with dilatation&curettage (D&C) and/or hysterectomy, 108 single or multiple endometrial polyps were encountered and histologically analyzed. RESULTS: A malignant transformation of polyp was found in 5 instances, meaning a rate of 4.6% i.e. 5/108: 4 cases of adenocarcinoma, 1 case of sarcoma. DISCUSSION AND CONCLUSION: The existence of endometrial polyps - symptomatic or not - does not seem compatible with the prolonged use of tamoxifen treatment owing the estrogen agonist potential effects of tamoxifen and its well-known hyperplastic and carcinogenic properties for the endometrium. The increased risk of endometrial cancer developing in polyps in this iatrogenic context is estimated between 2.5% and 10% in the literature.

Study Type : Human Study

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