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Unexpected borderline ovarian tumours (BOT) in late pregnancy: challenges in management and review of literature
  1. Elizabeth Ande,
  2. Silky Jain,
  3. Schahrazed Rouabhi and
  4. Wai Yoong
  1. Department of Obstetrics and Gynaecology, North Middlesex University Hospital NHS Trust, London, UK
  1. Correspondence to Mr Wai Yoong; waiyoong{at}


This case report describes a right-sided borderline ovarian tumour diagnosed unexpectedly following suspected torsion in the third trimester of pregnancy. The patient had had a right mucinous cystadenoma and left serous cystadenoma in her previous pregnancy and underwent bilateral ovarian cystectomy at the time of her first elective caesarean section. The management of borderline ovarian tumours is generally difficult in younger women of reproductive age and is made more complex by pregnancy. The authors share the challenges of managing this condition in pregnancy together with a review of the literature.

  • gynecological cancer
  • obstetrics
  • gynaecology and fertility

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  • EA and SJ are joint first authors.

  • EA and SJ contributed equally.

  • Contributors EA did literature search, cowrote the manuscript and prepared the table. SJ did literature search and cowrote the article. SR peer reviewed the manuscript. WY cowrote the article and prepared the images.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.