Wegener's granulomatosis in the chest: high-resolution CT findings.

OBJECTIVE Wegener's granulomatosis is an uncommon necrotizing vasculitis having variable presentations in the chest that are best depicted on high-resolution CT. Imaging findings may include nodules, which may cavitate; ground-glass opacity secondary to pulmonary hemorrhage; and airway stenoses and ulcerations. Active Wegener's granulomatosis can mimic pneumonia, septic emboli, and metastases. CONCLUSION This article will illustrate the high-resolution CT findings of Wegener's granulomatosis in the chest.

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