CTICasesProgressive Basilar LIP Cysts
Imaging findings
Chest CT demonstrates progressive, extensive, and irregular cystic changes predominant in the lower lung zones over an 8-year period in a patient with Sjögren's syndrome and lupus overlap, representing progressive LIP.
Key takeaways
LIP-associated pulmonary cysts can demonstrate marked progression over several years in patients with systemic autoimmune disorders, frequently showing a basilar predominance unlike Langerhans cell histiocytosis.
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