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Other non-neoplastic lesions


Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 7 August 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Foreign bodies composed of hair or vegetable matter
● Motility abnormalities and obstructions predisopose to bezoar formation, may complicate diabetes mellitus, myotonic muscular dystrophy, chronic drug therapy (opiates, neuromuscular blockers)

● Plant material concretions
● Usually caused by ingestion of unripened persimmons
● Stomach acid causes polymerization of tannin monomers in fruit, causing a tannin-cellulose-hemicellulose-protein complex
● Dissolves with cellulase (Arch Pathol Lab Med 1980;104:159)

● Also known as hairballs
● Ingested hair coated with decaying food
● Associated with partial gastrectomy, partial outlet obstruction, lack of teeth, vagotomy, trichophagia

Gross images


End of Stomach > Other non-neoplastic lesions > Bezoars

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