Water lily sign

Last updated May 29, 2025

Water lily sign is a radiologic sign seen in hydatid cyst infection.^[1] It refers to floating laminated membranes of the cyst within a dense fibrous cystic wall, resembling the appearance of a water lily in radiographs.^[2]

References

↑ "Water lily sign and serpent sign in pulmonary hydatid cystic disease". www.amhsjournal.org. Retrieved 17 October 2021.
↑ Khamaysi, Iyad; Kluger, Yoram (1 August 2017). "The water-lily sign" . Gastrointestinal Endoscopy. 86 (2): 402–403. doi:10.1016/j.gie.2017.01.015. ISSN 0016-5107 . Retrieved 17 October 2021.

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[1] "Water lily sign and serpent sign in pulmonary hydatid cystic disease". www.amhsjournal.org. Retrieved 17 October 2021.

[2] Khamaysi, Iyad; Kluger, Yoram (1 August 2017). "The water-lily sign" . Gastrointestinal Endoscopy. 86 (2): 402–403. doi:10.1016/j.gie.2017.01.015. ISSN 0016-5107 . Retrieved 17 October 2021.

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