Introduction
Adenomyosis often co-exists in the pathological specimens after surgery for endometrial cancer. The
aim of this study is to describe the clinicopathological and oncological characteristics of these patients and further
investigate the possibility of malignant transformation in the adenomyotic tissue.
Methods
We retrospectively reviewed the medical records of all patients that underwent hysterectomy for endometrial cancer (January 2012 – December 2017). The pathological reports were studied and when adenomyosis was present, the pathological slides were reviewed in order to discover any malignant change in the adenomyotic tissue. The clinicopathological characteristics and oncological results were described.
Results
Out of 229 cases of endometrial cancer, 64 (28%) patients had concurrently endometrial cancer and adenomyosis. Among these 64 patients, 7 (11%) had malignant transformation of adenomyosis. The mean age of patients suffering from both endometrial cancer and adenomyosis was 63.2 years old and 57 (89%) of these patients, had early endometrial cancer. Concerning the patients with malignant transformation of adenomyosis, their mean age was 65 years old with no premenopausal case.
Discussion
Adenomyosis has been described in the last decades, but its malignant transformation into endometrial cancer is not fully undercovered. Further investigation is needed in order to clarify the pathologic progression of adenomyotic lesions to endometrial cancer.
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