" /> keyhole sign of duodenum - CISMeF





Preferred Label : keyhole sign of duodenum;

Definition : Contrast is trapped within parallel duodenal folds; sign disappears with distension by gas or peristalsis. Suggests duodenal bulb pseudolesion.;

Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;

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Contrast is trapped within parallel duodenal folds; sign disappears with distension by gas or peristalsis. Suggests duodenal bulb pseudolesion.

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25/05/2025


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