61 The anus and anal
canal
61.1- ANATOMY AND PHYSIOLOGY
61.2- EXAMINATION OF THE ANUS
61.3- CONGENITAl ABNORMALITIES
61.4- ANAL INCONTINENCE
61.5- ANAL FISSURE
61.6-
HAEMORRHOIDS
61.7-
PRURITIS
ANI
61.8-
ANORECTAL
ABSCESSES
61.9-
FISTULA
IN ANO
61.10-
NONMALIGNANT
STRICTURES
61.11-
MALIGNANT TUMOURS
61.12- FURTHER READING