A fecaloma (meaning a tumor made of
feces, also called fecalith and coprolith, i.e., stones made of feces) is a hardening of feces into stones of varying size inside the
colon, which may appear whenever chronic obstruction of transit occurs, such as in
megacolon and chronic
constipation. Some diseases, such as
Chagas disease,
Hirschsprung's disease and others provoke the destruction of the
autonomic nervous system inside the colon's
mucosa (
Auerbach's plexus) and may cause extremely large (giant) fecalomas, which must be surgically removed (disimpaction). Normally, however, fecalomas can be manually disimpacted or by passing colonic tubes (
catheters which carry a flow of disimpaction fluid (solvent).
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