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Stomach and small intestine
 
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Bezoar

Alternative names:

hairball; trichobezoar

Definition:

A ball of hair or fiber that collects in the stomach and fails to pass through the intestines.

Causes, incidence, and risk factors:

Chewing on or eating hair or fuzzy materials (or indigestible materials such as plastic bags) can lead to the formation of a bezoar. The incidence is very low and the risk is greater among mentally retarded or emotionally disturbed children.


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