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Updated: Sep 20, 2026

Quantitation of Intra-peritoneal Ovarian Cancer Metastasis
Published on: July 18, 2016
A case of lymphoma occurring in an ovarian teratoma
Alastair McKelvey1, Daniel McKenna, Damian McManus
1Department of Obstetrics and Gynecology, Lagan Valley Hospital, Lisburn, Northern Ireland. alastairmckelvey@doctors.net.uk
Background:
We describe the discovery, by pathology, of a totally unexpected diagnosis involving an ovarian teratoma.
Case:
A middle-aged woman underwent routine total abdominal hysterectomy and bilateral salpingoophrectomy for ultrasonically diagnosed uterine fibroids and a coexistent benign right ovarian cyst. The operative findings were of fibroid uterus and right ovarian teratoma. However, pathology revealed a malignant lymphoma occurring in, and arising from, the teratoma.
Conclusion:
The routine removal of a presumed ovarian teratoma may yield unexpected results. Ovarian teratomas are indeed cellular chimeras.
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