" /> herniated mediastinal pleural sac sign - CISMeF





Preferred Label : herniated mediastinal pleural sac sign;

Definition : Crescent-shaped lucency crossing the midline into a partially collapsed lung on a frontal radiograph. Suggests pneuomothorax; gas-containing sac extends from mediastinal pleural space to contralateral side, often with mediastinal shift.;

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

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Crescent-shaped lucency crossing the midline into a partially collapsed lung on a frontal radiograph. Suggests pneuomothorax; gas-containing sac extends from mediastinal pleural space to contralateral side, often with mediastinal shift.

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07/07/2025


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