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. 2005 May;18(2):116–119. doi: 10.1055/s-2005-870893

Table 1.

Etiologies of Fecal Impaction

Chronic constipation
 Anatomic
 Metabolic
 Dietary
 Medications
 Neurogenic
Anatomic anorectal abnormalities
 Megarectum
 Anorectal stenosis
 Neoplasm
Functional anorectal abnormalities
 Increased rectal compliance
 Abnormal rectal sensation