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Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... histiocytosis: early nodular ... Respiratory bronchiolitis ... HRCT #CTChest #Nodular
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... Sarcoidosis: nodules ... Respiratory bronchiolitis
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Pneumoconiosis, Infectious Bronchiolitis ... BrighamChiefs #Lung #Nodules
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... lucency due to bronchiolitis ... centrilobular nodules ... HypersensitivityPneumonitis #Nodular
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
centrilobular nodules ... centrilobular nodules ... causes of infective bronchiolitis
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
centrilobular nodules ... atypical pna, Viral bronchiolitis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... Pneumonitis, Respiratory Bronchiolitis
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
hypersensitivity pneumonitis, bronchiolitis ... centrilobular nodules ... density (acinar nodules
BRONCHIOLITIS - Management Algorithm
#Management #Peds #Bronchiolitis #Algorithm #PEMSource
BRONCHIOLITIS - ... Management #Peds #Bronchiolitis
PocketPEM - Bronchiolitis #Diagnosis #Management #Peds #EM #Bronchiolitis #PocketCard #PocketPEM
PocketPEM - Bronchiolitis ... Management #Peds #EM #Bronchiolitis