ATS GUIDELINES Bundle

INSIDE ▶ Introduction ▶ Recommendations ▶ Tables ▶ Figures Idiopathic Pulmonary Fibrosis and Progressive Pulmonary Fibrosis

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18 Figures Figure 9. Spectrum of CT Appearances in UIP Pattern Due to HP A) Coronal CT section obtained at deep inspiration showing honeycombing with traction bronchiolectasis in the peripheral part of the right lower lobe (thin arrows) and numerous hyperlucent lobules in the le lower lobe (thick arrows). B) Lobular air trapping was confirmed on expiratory CT. HP-UIP should be considered when fibrosis and honeycomb cysts predominate in the upper or mid lungs, when mosaic attenuation or three- density sign are present or when the fibrosis appears diffuse in the axial plane. A) B)

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