Uterine leiomyosarcoma(uLMS)is a type of malignant soft-tissue tumor,which is developed from myometrium in the female reproductive system.This disease is difficult to be distinguished from benign uterine leiomyoma in the early stages,but it progresses aggressively and relentlessly.Hence,uLMS has a dismal prognosis and high rates of both misdiagnosis and missed diagnosis.Unfortunately,current studies of uLMS pathogenesis and disease biology are inadequate.uLMS disease models are also very limited,hindering the development of effective therapeutics.In this review,we focus on the pathological molecular biology of uLMS,and systematically review the molecular genetic features,epigenetic variants,experimental models,and clinical research progress of uLMS.We further discuss the development direction and potential needs of uLMS in the fields of tumor evolution,tumor microenvironment,and tumor therapy,with the aim of providing a better understanding of the pathobiological mechanism of uLMS and providing a reference for the development of potential diagnostic and therapeutic strategies.
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