CTICasesRelapsing Polychondritis
Imaging findings
CT shows diffuse, circumferential calcification and significant narrowing of the central airways (trachea and main bronchi), with characteristic sparing of the posterior membrane. Imaging of the head also showed calcification of the pinna cartilage.
Key takeaways
This rare systemic autoimmune disease is characterized by inflammation and eventual calcification of cartilaginous structures. The tracheal findings are classic and usually have a narrow differential diagnosis.
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