最新8年制子宫内膜异位症课件PPT文档文档资料.ppt
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1、一、concept Endometriosis is defined as the presence of endometrial tissue(glands and stroma)outside the uterus.The most frequent sites of implantation are the pelvic viscera and the peritoneum,二、Epidemiology,The number of women with endometriosis at between 5%and 20%of women of reproductive age.About
2、 30%to 40%of women with endometriosis are infertile,making it one of the leading causes of infertility.,Most endometriosis is found on structures in the pelvic cavity:Ovaries Fallopian tubes The back of the uterus and the posterior culdesac The front of the uterus and the anterior culdesac Uterine l
3、igaments such as the broad or round ligament of the uterus Intestines,particularly the appendix Urinary bladder Endometriosis may spread to the cervix and vagina or to sites of a surgical abdominal incision.In extremely rare cases,endometriosis areas can grow in the lungs or other parts of the body.
4、,三、Etiology,Transplantation theory 1)经血逆流 2)医源性种植 3)淋巴及静脉播散 体腔上皮化生学说 免疫学说 遗传学说 诱导学说,四、pathology,基本病理变化:异位内膜随性激素变化发生周期性出血,形成紫褐色紫兰色斑点、结节乃至包块,同时伴周围纤维组织增生、粘连形成。,Macroscopical:,1)色素灶:腹膜表面紫蓝色、褐色斑点或结节,最常见。卵巢 卵巢巧克力囊肿宫骶韧带直肠子宫陷窝 粘连直肠子宫陷窝变浅甚至消失子宫/后壁下段 包块凸向阴道或直肠,Endometriosis Cyst,Endometriosis Cyst,2)无色素灶:这是一种
5、腹膜早期病变。白色浑浊腹膜灶、火焰状红色灶、腺样息肉灶和卵巢下粘连。热色试验:将可疑病变部位加热,其内的含铁血黄素则呈现出棕褐色,Microscopical:1)典型:病灶中可见子宫内膜上皮、内 膜腺体或腺样结构、内膜间质及出血。2)不典型:仅见少量内膜间质细胞或含 铁血黄素颗粒。,五、symptoms,Painful,sometimes disabling menstrual cramps(dysmenorrhea);pain may get worse over time(progressive pain)Chronic pain(typically lower back pain and
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