RT Book, Section
A1 Doherty, Gerard M.
SR Print(0)
ID 58107387
T1 Cholelithiasis
T2 Quick Answers Surgery
YR 2010
FD 2010
PB The McGraw-Hill Companies
PP New York, NY
SN 
LK accesssurgery.mhmedical.com/content.aspx?aid=58107387
RD 2024/04/18
AB •  Divided  into  symptomatic  and  asymptomatic•  Caused  by  cholesterol  (most  common),  black  pigment,  or  brown  pigment  stones•  Cholesterol  stones  form  in  20%  of  women  and  10%  of  men  by  age  60•  Cholesterol  stone  risk  factors  include:-Female  gender-Age-Obesity-Estrogen  exposure-Fatty  diet-Rapid  weight  loss•  Black  pigment  stone  risk  factors  include:-Hemolytic  disorders-Living  in  Asia•  Brown  pigment  stone  risk  factors  include:-Biliary  stasis-Biliary  infections