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Hourglass stomach

a condition in which there is a central constriction of the wall of the stomach dividing it into two cavities, cardiac and pyloric.

Synonym: bilocular stomach, ectasia ventriculi paradoxa.

Leather-bottle stomach, marked thickening and rigidity of the stomach wall, with reduced capacity of the lumen although often without obstruction; nearly always due to scirrhous carcinoma, as in linitis plastica.

Synonym: sclerotic stomach.