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Expert Rev Mol Diagn. 2017 May;17(5):515-522. doi: 10.1080/14737159.2017.1311790. Epub 2017 Apr 3.

Molecular characteristics of uterine sarcomas.

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a Department of Pathology , Norwegian Radium Hospital, Oslo University Hospital , Oslo , Norway.
b Institute of Clinical Medicine , University of Oslo , Oslo , Norway.
c Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, Norwegian Radium Hospital , Oslo University Hospital , Oslo , Norway.
d Centre for Cancer Biomedicine , University of Oslo , Oslo , Norway.


Uterine sarcomas are rare cancers, of which the most common entities are leiomyosarcoma and endometrial stromal sarcoma. These two tumors may have overlapping clinical presentation, morphology and immunohistochemical profile, but are increasingly recognized to be two molecularly distinct entities. Endometrial stromal sarcomas are further currently divided into a low-grade and high-grade group based on molecular characteristics. Area covered: This review discusses recent data which shed light on the molecular profile of these two cancers and may aid in understanding their evolution and progression, in the aim of improving their diagnosis and management. Search was through PubMed, with focus on studies published in the last 5 years. Expert commentary: The literature presented and discussed documents rapidly expanding knowledge of the genetic characteristics of leiomyosarcoma and endometrial stromal sarcoma, with an array of molecules and pathways implicated in the biology of these cancers. Several of these molecules are potential therapeutic targets. Assessment of their predictive and prognostic role awaits larger studies.


Uterus; diagnosis; endometrial stromal sarcoma; leiomyosarcoma; molecular analysis; prognosis; progression

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