39 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
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... (COP), chronic eosinophilic ... pneumonia and UIP ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Pneumonia (< 1 ... Pneumonia (> 1 ... Respiratory sx in 40%, mild ... Lung #Diseases #pulmonary ... #differential #diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Diagnosis: ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #COP #BOOP #pulmonary ... #ILD #diagnosis
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... OP) and chronic eosinophilic ... #Diagnosis #Radiology ... #Pulmonary #CXR
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
pneumonia Peripheral ... photo negative of pulmonary ... pneumonia. ... #Clinical #Radiology ... #CTChest #Chronic
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the differential diagnosis ... There was no eosinophilia ... which excludes eosinophilic ... Biopsy revealed the diagnosis ... #Clinical #Radiology
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential Diagnosis ... histiocytosis (PLCH) • Eosinophilic ... leaking out of pulmonary ... Lung #Diseases #ILD ... #Differential #Diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... and interstitial pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD