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Alvarez' syndrome

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Synonyms: accordion abdomen, hysterical nongaseous abdominal bloating, pseudoileus. A syndrome of neurotic or hysterical bloating of the abdomen without clinical cause. There is no excess of gas in the digestive tract. The condition is apparently due to a a contraction of muscles lining the back of the upper end of the abdominal cavity.


  • W. C. Alvarez:
    Hysterical type of nongaseous abdominal bloating.
    Archives of Internal Medicine, Chicago, 1949, 82: 217-245.

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