CHORUS

Collaborative Hypertext of Radiology

Respiratory system

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usual interstitial pneumonia (UIP)

• 5-6th decade; M:F = 1:1
• clubbing of fingers (83%)
• monocytosis/lymphocytosis on lavage
• increased occurence of bronchogenic CA
• average survival of 4-6 years; 87% mortality

• occasional ground glass pattern in early stage of alveolitis
• diffuse reticulations (60%) predominantly at bases
• honeycombing
• pleural effusion (4%); pleural thickening (6%)
• pneumothorax in 7% (late stage)
• progressive volume loss

HRCT findings:

• basilar predominance, subpleural distribution
• ground glass infiltrates in active disease
• septal thickening and distortion
• honeycombing
• traction bronchiectasis

see: interstitial pulmonary fibrosis

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Copyright © 2013, Charles E. Kahn, Jr.