40 results
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... pneumonitis, Pulmonary ... vasculitis, Acute eosinophilic ... pneummia, Cryptogeric ... organizing pneumonia
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... Pneumonia? ... Dyspnea+, Pleuritic Chest ... Consolidations AKA "inverse pulmonary ... #pulmonary
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
pneumonia. ... and an abnormal chest ... pneumonia is an ... #Clinical #Radiology ... #CTChest #Eosinophilic
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... (COP), chronic eosinophilic ... pneumonia and UIP ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Cryptogenic ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #COP #BOOP #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... (NSIP), Cryptogenic ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... , Chronic • Pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
polyangiitis (Wegener), Eosinophilic ... granulomatosis, Cryptogenic ... , Pulmonary embolism ... , Lipid pneumonia ... Differential #Diagnosis #pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... - Eosinophilic ... - Cryptogenic ... Others: - Pulmonary ... #NonResolving #Pneumonia
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
organizing pneumonia ... In chronic eosinophilic ... pneumonia the HRCT ... this #Clinical #Radiology ... #CTChest #COP #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
OP) and chronic eosinophilic ... pneumonia. ... idiopathic it is called cryptogenic ... #Diagnosis #Radiology ... #Pulmonary #CXR