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HomeEndometriosisEndometriosis ResearchOccurrence of seromucinous borderline tumours in the peritoneal lesions after bilateral salpingo-oophorectomy...

Occurrence of seromucinous borderline tumours in the peritoneal lesions after bilateral salpingo-oophorectomy for endometriosis

Ovarian cyst management is very individual and endometriosis is a strange disease.  Some cysts require surgery and most do not. In this case, this case malignant transformation of an endometriotic cyst (endometrioma) was suspected and surgery on something like this is usually recommended.  This was not exactly the case because borderline tumors are not life-threatening.  But it illustrates the fact that endo can degenerate into different types of “tumors” and, especially in those women who are approaching menopause or past menopause, a gynecologic oncologist should be part of the surgical team.

If this article seems to be relevant to your situation, please reach out to us and Dr. Steven Vasilev, our director. Since we are monitoring this research as it gets published, we can apply it to help you beat endo and get your life back.

BMJ Case Rep. 2020 Dec 22;13(12):e234692. doi: 10.1136/bcr-2020-234692.


A 65-year-old woman with a previous history of bilateral salpingo-oophorectomy had peritoneal cysts, increasing in size over 15 years and an increasing cancer antigen 19-9 (CA 19-9) level. The size of the cysts eventually reached 86 mm and 70 mm. As malignant transformation of endometriosis was suspected, we performed peritoneal cystectomy and hysterectomy. Histopathology revealed seromucinous borderline tumours (SMBTs) derived from endometriosis. One month after surgery, her CA 19-9 level had decreased. It is rare for SMBT to occur after bilateral salpingo-oophorectomy; surgical management is the best treatment at present.

PMID:33370959 | DOI:10.1136/bcr-2020-234692

Taihei Yamada

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Dr Steve Vasilev MD
“I help and guide women to defeat gynecologic cancers and advanced pelvic conditions such as endometriosis, using a unique combination of minimally invasive robotic surgery, precision medicine therapies and complementary holistic natural support towards thriving in survivorship." Dr. Vasilev is the only physician quadruple board certified in Ob-Gyn, Gynecologic Oncology and Integrative & Holistic Medicine in the United States. He is an accomplished advanced robotic surgeon and serves as Medical Director of Integrative Medicine and Integrative Gynecologic Oncology at Providence Saint John's Health Center, Professor at John Wayne Cancer Institute in Santa Monica, California and is Clinical Professor at Loma Linda University School of Medicine. He is former faculty and professor at UC Irvine, UCLA, USC and City of Hope. He is an active member of multiple medical societies and has been nationally listed in "Best Doctors" for 18 years.

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