A case of incidental endometrial adenocarcinoma diagnosed in early pregnancy and managed conservatively

We report a 29-year old nulliparous woman diagnosed with a grade 1 endometrioid adenocarcinoma of the endometrium arising from an atypical polypoid adenomyoma, while being investigated for a suspected threatened miscarriage at 7 weeks gestation. She presented complaining of vaginal bleeding and a small amount of soft tissue in the cervical os was found and sent for histology. An ultrasound scan was performed, which confirmed an intrauterine ongoing pregnancy. The patient had no further episodes of unscheduled bleeding. After the confirmed histological diagnosis an MRI scan was requested, and there were no evidence of myometrial invasion or distant metastasis. The patient was seen at each trimester, remained asymptomatic throughout the pregnancy and had a normal delivery at term. There was no evidence of any residual endometrioid adenocarcinoma in the post-delivery specimen. Six weeks post-natally an endometrial biopsy was performed, which was normal. She is still in remission over a period of 8 years follow-up. Endometrial adenocarcinoma in young pregnant women is a rare clinical circumstance. This case shows that conservative management in young women is possible including in a case of an incidental diagnosis in pregnancy. Keywords: Endometrial cancer, Fertility sparing-surgery, Hormonal treatment

Abstract licence: CC BY-NC-ND

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