106 results
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... excluded more common diagnoses ... Dyspnea+, Pleuritic Chest ... #Pneumonia #diagnosis ... #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... #diagnosis #differential ... #pulmonary #causes
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
pneumonitis, Pulmonary ... vasculitis, Acute eosinophilic ... organizing pneumonia ... #Mimics #Differential ... #Diagnosis #Pulmonary
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... of Pulmonary Eosinophilia ... Washington University ID ... #Pulmonary #Differential ... #Diagnosis #causes
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... Diagnosis Algorithm ... pneumonia, Adrenal ... IBD Stanford Internal ... #Differential #
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
(COP), chronic eosinophilic ... pneumonia and UIP ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Pneumonia (< 1 ... Pneumonia (> 1 ... Lung #Diseases #pulmonary ... #differential # ... diagnosis #comparison
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... diagnosis is to ... OP) and chronic eosinophilic ... #Diagnosis #Radiology ... #Pulmonary #CXR
The Many Flavors of EVALI (E-cigarette or Vaping Associated Lung Injury)
 - Hypersensitivity Pneumonitis
 - Organizing
- Acute Eosinophilic ... Pneumonia by ... vaping #lunginjury #pulmonary ... #Differential # ... diagnosis
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... Diagnosis Definition ... polyangiitis (Wegener), Eosinophilic ... , Pulmonary embolism ... #Diagnosis #pulmonary