Pär Sparén

OBJECTIVE: Whether hormonal or surgical treatment of endometriosis is associated with risk of epithelial ovarian cancer. DESIGN: Nested case-control study. SETTING: Sweden. POPULATION: All women with a first-time discharge diagnosis of endo…

Studies have shown an increased risk of malignancies in women with endometriosis. Little is known about the impact of endometriosis on cancer survival. We investigated whether the survival after a diagnosis of a malignancy differs in women …

Introduction: Endometriosis, defined as the growth of endometrial tissue outside \nthe uterine cavity is a common gynaecological disorder affecting 10-15% \nof women in their reproductive years. It is a major clinical problem causing in- \n…

Epidemiologic studies have suggested that women with endometriosis are at increased risk of cancer—particularly ovarian cancer and non-Hodgkin lymphoma. These women also are at increased risk of being infertile, and both infertility and nul…

BACKGROUND: Several epidemiological studies have shown an increased cancer risk among women with endometriosis, especially ovarian cancer. Infertility and nulliparity are also known risk factors for different types of cancer. The aim of thi…

BACKGROUND: Several observations of the coexistence of endometriosis and cancer have been published. One study concerning endometriosis patients from 1969 to 1986 showed an overall relative cancer risk of 1.2 and relative risks for breast c…