Fifty patients,suspected clinically of pelvic congestion syndrome after ligation of oviducts fromJune,1986 to August,1990 in our hospital,were inspected by laparoscopy and received anoperation of hystrectomy accompanied with pathological examination.Thirty cases of them werefinally confirmed the diagnosis of the syndrome.The most serious pathological evidents were infallopian tubes.The main changes of the oviducts manifested congestion,edema,exudetivehemorrhages,degeneration of the muscular layer,tubal dila...