College of American Pathologists

2010 — August Case of the Month

Posted August 30, 2010


CAP Foundation August 2010 Online Case of the Month

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A 48-year-old woman presented with abnormal vaginal bleeding. Following endometrial curettage, a total abdominal hysterectomy and bilateral salpingo-oophorectomy was performed. The 510 gram uterus contained a 14.5 x 12.0 x 9.5 cm polypoid tumor with a smooth tan surface in the endometrial cavity. On sectioning, multiple tumor nodules were noted throughout the myometrium, extending to within 2 mm of the serosal surface.

The master list with the correct answer

  • Adenosarcoma
  • Cellular leiomyoma
  • Endometrial stromal sarcoma, low grade
  • Intravenous leiomyomatosis
  • Leiomyosarcoma
  • Undifferentiated uterine sarcoma
  • Uterine tumor resembling ovarian sex cord tumor

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  • Appropriate diagnosis
  • Critique
  • References

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