多囊性卵巢综合征(Polycystic-Ovary-Syndrome)课件.ppt
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1、Polycystic Ovary Syndrome,DI WEN M.D.,Ph.D.Professor&Chairman Department Of Obstetrics&Gynecology Renji Hospital Affiliated to SJTU School of Medicine,Introduction,Definition:polycystic ovary syndrome(PCOS)is a generic description for a broad spectrum of clinical and morphological findings in women
2、with an endocrine dysfunction,specifically abnormal androgen production and metabolism.,Introduction,PCOS was first identified by Stein and Leventhal in 1935 so that it can also be known as Stein Leventhal Syndrome.,Etiology&Pathopysiology,What we think we know.“Vicious cycle”Abnormal gonadotropin s
3、ecretionExcess LH and low,tonic FSHHypersecretion of androgensDisrupts follicle maturationSubstrate for peripheral aromatizationNegative feedback on pituitaryDecreased FSH secreationInsulin resistance,Elevated insulin levels,Pathology,Ovaries:enlarged and/or polycystic ovariesEndometrium:Lack of ovu
4、lation for an extended period of time may cause excessive thickening of the endometrium(the lining of the uterus).,Pathology,What Are the Symptoms of PCOS?,Irregular or Lack of Menses:Women will have“spotty”periods(1 every couple of months).Also,in some women with PCOS they simply cease having a men
5、ses at all.,Symptoms,Hirsutism:Excessive body hair.In women with PCOS dark,coarse hair will appear on the face,neck,chest,arms,and in between the legs.,Symptoms,Weight Problems:Depending on the woman,there could be a decrease of weight or a rapid fluctuation of weight that settles around the stomach
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