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170 Rare tumours of the ovary: a series of 65 cases of malignant non-epithelial tumours of the ovary
  1. Chaimae Bentabet and
  2. Majda Idrissi Bendahhou
  1. Chu Fes, Fes, Morocco


Introduction/Background Malignant non-epithelial tumours of the ovary account for less than 20% of adult ovarian cancers.

Apart from haematological tumours, the main types are germ cell tumours and tumours of the stroma and sex cords.

The management of non-epithelial ovarian tumours is tricky due to their rarity and the need to offer patients appropriate carcinological treatment, while striving to preserve genital function in women of childbearing age.

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Methodology We conducted a retrospective study of 65 cases of non-epithelial tumours of the ovary. These tumours were collected in the gynaecology and obstetrics I department of the Hassan II University Hospital in Fez over a period of 7 years, between November 2017 and November 2023.

Results he main inclusion criterion in our study was the histological type of tumour. We included all cases of malignant germ cell tumours of the ovary representing 75% (49 patients), malignant stromal tumours and those of the sexual cord were represented by 15 cases, as well as all other primary malignant non-epithelial tumours of the ovary. Our data collection included: age, date of histological diagnosis, clinical, biological and imaging features.

Conclusion Malignant non-epithelial tumours of the ovary are more common in younger women and have the particularity of being diagnosed at an early stage in more than 50% of cases, unlike epithelial tumours which are discovered at an advanced stage in 70% of cases.

Their prognosis is excellent, with a five-year survival rate of up to 97% for all stages combined.

The management of these tumours is tricky because of their low prevalence, the frequent absence of preoperative diagnosis and the need to take into account patients‘ desire to have children.

Disclosures Nous proposons une mise au point sur les données de notre étude ainsi que les données récentes de la littérature, en insistant sur le diagnostic, le type histologique, les étiologies ainsi que les particularités de leur prise en charge.

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