Conclusion Differential diagnosis uterine loiomyoma variants and uterine lciomyoma of uncertain malignat potential were helpful in diagnosis of uterine leiomyosarcoma.

• 结论:诊断子宫平滑肌肉瘤要与子宫平滑肌瘤的变性及恶性潜能未定的子宫平滑肌肿瘤鉴别。