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An endometrial polyp or uterine polyp is a mass in the inner lining of the uterus.〔 〕 They may have a large flat base (sessile) or be attached to the uterus by an elongated pedicle (pedunculated).〔〔 (【引用サイトリンク】 publisher =MayoClinic.com )〕 Pedunculated polyps are more common than sessile ones. They range in size from a few millimeters to several centimeters.〔 If pedunculated, they can protrude through the cervix into the vagina.〔〔 〕 Small blood vessels may be present, particularly in large polyps.〔 ==Signs and symptoms== they often cause no symptoms.〔 Where they occur, symptoms include irregular menstrual bleeding, bleeding between menstrual periods, excessively heavy menstrual bleeding (menorrhagia), and vaginal bleeding after menopause.〔〔(【引用サイトリンク】 publisher =GPnotebook )〕 Bleeding from the blood vessels of the polyp contributes to an increase of blood loss during menstruation and blood "spotting" between menstrual periods, or after menopause. If the polyp protrudes through the cervix into the vagina, pain (dysmenorrhea) may result.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Endometrial polyp」の詳細全文を読む スポンサード リンク
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