Longitudinal changes in magnetic resonance imaging of malignant and borderline tumors associated with ovarian endometriotic cyst comparing with endometriotic cysts without arising malignancy

European Journal of Radiology
Naoko NishioKaori Togashi

Abstract

To investigate magnetic resonance (MR) findings and to detect malignant transformation of ovarian endometriotic cysts by comparing longitudinal changes in patients with ovarian malignant/borderline tumors associated with ovarian endometriotic cysts (tumor group) with those of patients with endometriotic cysts (control group). Tumor group patients (n = 10) had ovarian malignant/borderline tumors with pathologically confirmed association with endometriosis and available prior MRI of endometriotic cysts. Control group patients (n = 40) had been diagnosed more than two times as having ovarian endometriotic cysts by MRI examination. The tumor and solid portion sizes were measured. Two radiologists independently evaluated signal intensity (SI) of the cystic portion on both T1-weighted and T2-weighted images (WI), presence of shading on T2WI, and T2 dark spot sign in both groups and evaluate longitudinal changes of those findings. Pathological diagnoses of the tumor group were clear cell carcinoma (n = 6), endometrioid carcinoma (n = 1), serous carcinoma (n = 1), mucinous borderline tumor (n = 1), and endometrioid borderline tumor (n = 1). Tumor size had increased significantly in the tumor group (p = .004), but not in controls. Solid...Continue Reading

Citations

Sep 2, 2019·International Journal of Clinical Oncology·Kosuke MurakamiNoriomi Matsumura
Oct 31, 2019·Yeungnam University Journal of Medicine·Hyun Jung Lee

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