Chronic airspace disease: Review of the causes and key computed tomography findings

Figure 5 Granulomatosis with polyangiitis. A 38-year-old male with hemoptysis and shortness of breath. A: Non-contrast enhanced computed tomography of the chest (A) showed multiple randomly distributed nodules/masses and round consolidative opacities in both lungs (arrows), with areas of cavitation (arrowheads); B: Head computed tomography showed involvement of bilateral sphenoid sinuses and ethmoidal air cells (arrows) in keeping with pan-sinusitis.