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Table 1 Histological and immunohistochemical differences of uterine body tumors

From: Vaginal metastasis as the initial presentation of leiomyosarcoma: a case report

  Uterine leiomyosarco Endometrial stromal sarcoma Smooth muscle tumors of uncertain malignant potential Leiomyoma
Mitotic rate >10MF/10HPF Variable <10MF/10HPF <5MF/10HPF
Cell necrosis Coagulative Ischemic Ischemic Absent or Ischemic
Citological atypia Frequent Present Present Citologically bland
Vimentin + + + +
Actin + + +
Desmin ++ + +
Caldesmon ++ + +
CD10 ++
  1. The following scale was used for staining reaction: - no staining
  2. MF mitotic figures, HPF High power field
  3. + 1% to 25%, ++ 26% to 50%, and +++ 50% of the tumor cells stain positive