Pathology of mixed Müllerian tumours

Emanuela D'Angelo, Jaime Prat

    Research output: Contribution to journalReview articleResearchpeer-review

    48 Citations (Scopus)

    Abstract

    The term 'mixed Müllerian tumour' applies to uterine tumours composed of epithelial and mesenchymal elements of Müllerian origin. These neoplasms are classified into adenomyomas, adenofibromas, adenosarcomas, and carcinosarcomas (malignant Müllerian mixed tumours) based on whether the epithelial and stromal elements are benign or malignant. The rare atypical polypoid adenomyoma usually involves the lower uterine segment and, on curettings, may be confused with invasive adenocarcinoma. Adenosarcomas are low-grade neoplasms classified halfway along the spectrum of mixed Müllerian tumours, with adenofibromas at one end and carcinosarcomas (malignant Müllerian mixed tumours) at the other. Some tumours currently classified as 'adenofibromas' on the basis of their low mitotic count and lack of nuclear atypia are, in fact, well differentiated adenosarcomas. Carcinosarcoma is composed of admixed but distinctive carcinomatous and sarcomatous elements. On the basis of the clonal origin of both tumour components, carcinosarcomas are currently thought to be metaplastic carcinomas rather than uterine sarcomas. © 2011 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)705-718
    JournalBest Practice and Research: Clinical Obstetrics and Gynaecology
    Volume25
    Issue number6
    DOIs
    Publication statusPublished - 1 Jan 2011

    Keywords

    • adenofibroma
    • adenosarcoma
    • atypical polypoid adenomyoma
    • carcinosarcoma
    • malignant Müllerian mixed tumor

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