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Table 1 HRCT findings in correlation with histologic features

From: Clinico- pathologic presentation of hypersensitivity pneumonitis in Egyptian patients: a multidisciplinary study

Number of patients (%) HRCT Histopathology
18 (41.8%) GGOa + Air trapping (mosaic) (Fig. 1) Mild alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrate with peribronchiolar accentuation and evident cellular/granulomatous bronchiolitis
9 (20.9%) GGO + Centrilobular Nodules (Fig. 2) Interstitial pneumonia with interstitial and peribronchiolar ill-formed non-necrotizing granulomas
5 (11.6%) Diffuse isolated GGO Alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrate with or without interstitial fibrosis
4 (9.3%) GGO + Traction bronchiectasis Alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrates with peribronchiolar accentuation and cellular bronchiolitis with variable degrees of interstitial, subpleural or peribronchiolar fibrosis with or without remodeling.
3 (6.9%) GGO + Consolidation Alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrate
2 (4.6%) GGO + Reticulations Alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrate
2 (4.6%) GGO + Cysts Alveolar septal expansion with lymphoplasmacytic cellular inflammatory infiltrate with airspace dilatation
  1. aGGO: Ground glass opacity
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Multidisciplinary Respiratory Medicine

ISSN: 2049-6958

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