From the case: Pulmonary hydatid cyst

System: Chest
Section: Signs
Tag: lung
Modality: X-ray

- “ Cyst wall crumpled and floating within uncollapsed pericyst that produced the water-lilly sign.  Hydatid cysts result from infection by the Echin...”

Used in the following article:

  • Water-lily sign (hydatid cyst) - “ The water-lily sign is seen in hydatid infections when there is detachment of the endocyst membrane which results in floating membranes within the...”

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