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Mixed ILD/Silicosis

Imaging findings

Coexisting lower-zone fibrosis (resembling NSIP), upper-zone dense fibrosis (resembling PPFE), and perilymphatic nodules with eggshell calcifications.

Key takeaways

Complex patterns in lung disease may indicate the coexistence of multiple processes, such as occupational exposure (silicosis) and an underlying connective tissue disorder.

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