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Rare Metastatic Involvement of the Sigmoid Mesocolon by Low-Grade Endometrial Stromal Sarcoma
Niloufar Ahmadloo1, Susan Andalibi1, Ahmad Mosalaei1
1Department of Radiation Oncology, Namazi Hospital, Shiraz University of Medical Sciences, Shiraz, Fars Province, Iran, sums.ac.ir.
Introduction:
Endometrial stromal sarcoma (ESS) is an uncommon uterine malignancy with an indolent course and potential for late recurrence or metastasis. Extrauterine ESS is exceedingly rare, especially in the absence of a primary uterine lesion.
Case Presentation:
We present a case of a 50-year-old woman with low-grade ESS metastasizing to the sigmoid mesocolon. The patient underwent surgical resection followed by radical hysterectomy, bilateral salpingo-oophorectomy, and hormonal therapy with letrozole. After 5 years of follow-up, she remains disease-free.
Discussion:
This case underscores the importance of considering ESS in the differential diagnosis of mesocolon masses and highlights the role of combined surgical and hormonal therapy in achieving long-term remission.
