Approximately 50%of patients have disease confined to the rectosigmoid region ( proctosigmoiditis ) .Appendectomy before the age of 20 years for acute appendicitis is associated with a reduced risk of developing UC . ......
——《Essential Internal Medicine》
书名:《Essential Internal Medicine》
栏目:Essential Internal Medicine > PART 3 GASTROINTESTINAL DISEASES > Chapter 6 Inflammatory Bowel Disease
作者:Joseph JY SUNG Ji-yao WANG T
参编:Guang,fengSHI,LawrenceKSWONG,Xiao,weiYAN,JulianaCNCHAN(陈重娥),FrancisKLCHAN(陈家亮)
页码:211-212
版本:1
出版社:人民卫生出版社
出版时间:2009-05-01