Yangmei Shen

BACKGROUND: Yolk sac tumors (YSTs) are the second most common germ cell malignancy of the ovaries generally present in children and young women. YSTs arising in combination with epithelial ovarian carcinoma (EOC) in older women are rarely r…

BACKGROUND & OBJECTIVE: Ovarian endometriosis is a common and benign, but progressive disease. We aimed to investigate the clinicopathologic of ovarian endometriosis with malignant transformation and to evaluate the expression differences o…