CTICasesAnkylosing Spondylitis-Associated Upper Lobe Fibrosis
Imaging findings
Dense upper lobe fibrosis with traction bronchiectasis in a patient with known ankylosing spondylitis (confirmed by thoracic spine and SI joint fusion).
Key takeaways
While classic board-exam knowledge, upper lobe fibrosis is a rare, documented pulmonary manifestation of ankylosing spondylitis. It is a distinct fibrotic process with currently no established role for antifibrotic therapy.
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