Case Report of Undifferentiated Endometrial Sarcoma in Association with Osteoclast-Like Giant Cells

  • Bardarov S
  • Khachaturov V
  • Kirtesh P
  • et al.
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Abstract

We describe the clinical, gross and microscopic features of undifferentiated uterine stromal sarcoma associated with osteoclast-like giant cells. A case of low-grade endometrial stromal sarcoma is already described in association with osteoclast-like giant cells; however, the current case differs in that the tumor was a high grade and did not show any evidence of smooth muscle or epithelioid differentiation and was shown to be strongly positive for CD10 and focally for WT-1 and Inhibin supporting an endometrial stromal origin. The associated osteoclast-like giant cells were abundant, evenly distributed within the tumor and showed strong positivity for CD68. Interestingly, rare (less than 2%) giant cells also showed weak cytoplasmic positivity for b-hCG. The tumor infiltrated deep into the myometrium and had marked lymphovascular invasion. Although the regional lymph nodes and peritoneal washings were negative, the lesion showed a highly aggressive clinical course. Despite treatment, the tumor disseminated within the abdominal cavity and lungs and ultimately led to the patient's demise within 9 months of the diagnosis.

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APA

Bardarov, S., Khachaturov, V., Kirtesh, P., & Jimenez, E. (2011). Case Report of Undifferentiated Endometrial Sarcoma in Association with Osteoclast-Like Giant Cells. Pathology Research International, 2011, 1–5. https://doi.org/10.4061/2011/629840

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