31 results
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... Nodular - Acute Interstitial ... #Diseases #Radiology ... #Patterns #Lung ... #Differential #Diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... pneumonia, Chronic eosinophilia ... #BOOP #pulmonary ... #ILD #diagnosis ... #management
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... organizing pneumonia (COP ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... #ILD #diagnosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
- Differential Diagnosis ... Algorithm OP: organising ... pneumonia; EGPA: eosinophilic ... granulomatous-lymphocytic interstitial ... #Disease #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
organizing pneumonia (COP ... ), chronic eosinophilic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases ... OP: organizing pneumonia ... LungDisease #CTILD #Diagnosis ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases ... similar to AEP or CEP ... #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... Sarcoidosis, NSIP, COP ... #pulmonary #radiology