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Endometrial stromal sarcoma with sex cord-like differentiation associated with tamoxifen therapy.

Abstract
Low-grade endometrial stromal sarcoma with sex cord-like differentiation occurred in two postmenopausal patients who had received tamoxifen for more than 3 years after surgical resection for breast cancer. Uterine sarcomas have been described in association with the use of tamoxifen. Only two cases of endometrial stromal sarcoma with sex cord-like features associated with tamoxifen use have been reported previously. This report adds an additional two cases of this tumor. Immunohistochemical and ultrastructural examinations of the tumor support the concept of smooth muscle differentiation in the sex cord-like areas. This observation proposes that the low-grade endometrial stromal sarcoma with sex cord-like elements may be a consequence of tamoxifen ingestion, but the exact mechanism of tamoxifen in the development of this tumor remains speculative.
AuthorsL C Pang
JournalSouthern medical journal (South Med J) Vol. 91 Issue 6 Pg. 592-4 (Jun 1998) ISSN: 0038-4348 [Print] United States
PMID9634127 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Antineoplastic Agents, Hormonal
  • Tamoxifen
Topics
  • Aged
  • Antineoplastic Agents, Hormonal (administration & dosage, adverse effects)
  • Breast Neoplasms (drug therapy, pathology)
  • Carcinoma, Ductal, Breast (drug therapy, pathology)
  • Cell Transformation, Neoplastic (chemically induced, pathology)
  • Dose-Response Relationship, Drug
  • Drug Administration Schedule
  • Endometrial Neoplasms (chemically induced, pathology)
  • Endometrium (drug effects, pathology)
  • Female
  • Humans
  • Middle Aged
  • Sarcoma, Endometrial Stromal (chemically induced, pathology)
  • Sex Cord-Gonadal Stromal Tumors (chemically induced, pathology)
  • Tamoxifen (administration & dosage, adverse effects)

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