Endometrioid carcinoma of the ovary

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Endometrioid carcinoma of the ovary
Diagnosis in short
LM DDx Sertoli-Leydig cell tumour, serous carcinoma of the ovary, metastasis
Gross typically solid and cystic
Site ovary - see ovarian tumours

Associated Dx endometriosis
Prevalence uncommon
Clin. DDx other ovarian tumours

Endometrioid carcinoma of the ovary is a relatively uncommon malignant tumour of the ovary.

It is also known as endometrioid ovarian carcinoma, endometrioid adenocarcinoma of the ovary, and ovarian endometrioid adenocarcinoma.


  • Associated with endometriosis, i.e. people with endometriosis are more likely to have 'em.


  • Usually solid and cystic.




  • Tubular glands.
    • Cribriform pattern common.
  • May see mucinous secretion.[1]
  • May have squamous differentiation/squamous metaplasia - useful for differentiating from sex-cord stromal tumours and germ cell tumours.[1]


See also


  1. 1.0 1.1 Baker P, Oliva E (July 2008). "A practical approach to intraoperative consultation in gynecological pathology". Int. J. Gynecol. Pathol. 27 (3): 353-65. doi:10.1097/PGP.0b013e31815c24fe. PMID 18580313.