Table 1.

Etiology of Anal Incontinence

Category		Etiology
LAR, low anterior resection.
Sphincteric	Traumatic	Obstetric
		Anorectal surgery
	Neoplastic	Rectal or anal cancer
Neurologic	Primary (idiopathic)	Pudendal neuropathy
	Secondary	Nerve injuries
	Sensory	Diabetic neuropathy
Stool Characteristics	Diarrheal states	Inflammatory bowel disease
		Infectious diarrhea
		Laxative abuse
		Malabsorption
		Radiation enteritis
	Constipation	Overflow incontinence
Rectum	Poor capacity and compliance	Radiation proctitis
		Scleroderma
		Rectal neoplasms
		LAR/coloanal anastamosis