Clues to the diagnosis of borderline ovarian tumours: An imaging guide

Ana Sofia Alves, Ana Félix, Teresa Margarida Cunha

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)


Borderline Ovarian Tumours (BOTs) are an interesting subset of epithelial neoplasms defined histologically by atypical epithelial proliferation without stromal invasion. These tumours typically affect young women in the reproductive age group and have a good prognosis. Although ultrasonography is the primary screening imaging technique in the evaluation of any suspected adnexal mass, grey-scale and colour Doppler have limited value in characterizing BOTs. Thus, a pelvic magnetic resonance imaging (MRI) is recommended for further characterization on account of its multiplanar capabilities, excellent soft-tissue contrast and high spatial resolution. BOTs histological subtypes display specific features on MRI that are useful in differential diagnosis. However, the final diagnosis and staging of BOTs require pathologic evaluation after surgical excision. Therefore, the purpose of this review is to describe, illustrate and compare the imaging characteristics of the different subtypes of BOTs – serous, mucinous and seromucinous – focusing on MRI, as well as to correlate with pathology findings considering the recent 2020 World Health Organization (WHO) classification, in order to improve the accuracy of preoperative diagnosis and facilitate optimal patient management.

Original languageEnglish
Article number109904
JournalEuropean Journal of Radiology
Publication statusPublished - Oct 2021


  • Borderline ovarian tumour
  • Epithelial tumours
  • Gynaecology oncology
  • Imaging
  • Magnetic Resonance Imaging


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