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Empty cyst sign

Dr Henry Knipe and Dr Ammar Haouimi et al.

The empty cyst sign is described in hydatid disease. After rupture of the cyst and complete evacuation of its content, the pericyst becomes empty as an air-filled cyst on x-ray or CT 1,2. With superadded infection, an air-fluid level may appear within the cyst, mimicking a lung abscess 2.

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Article information

rID: 67694
System: Chest
Section: Signs
Tag: cases, refs
Synonyms or Alternate Spellings:

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