TY  - CHAP
M1  - Book, Section
TI  - Anal Fissure & Ulcer
A1  - Doherty, Gerard M.
Y1  - 2010
N1  - 
T2  - Quick Answers Surgery
AB  - •  Fissure:  Split  in  the  anoderm•  Ulcer:  Chronic  fissure•  Associated  with  skin  tag  (sentinel  pile)  once  matured•  Located  in  midline,  distal  to  dentate  line•  Most  commonly  located  posteriorly  (90%)•  Caused  by  forceful  dilatation  of  anal  canal,  usually  from  defecation,  leading  to  sphincter  spasm  and  local  anoderm  ischemia  
SN  - 
PB  - The McGraw-Hill Companies
CY  - New York, NY
Y2  - 2024/04/19
UR  - accesssurgery.mhmedical.com/content.aspx?aid=58092073
ER  -