90 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... pneumonia: Acute, Chronic ... #diagnosis #differential
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... Diagnosis Algorithm ... GI, lung, skin), ... insufficiency, Chronic ... #Differential #
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases ... cough, SOB • Chronic ... #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
diagnostic list ... most important diagnoses ... listed in the table ... #Management #Radiology ... #Lung #Multiple
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia (COP), chronic ... eosinophilic pneumonia ... #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Table #Distribution
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... Chronic eosinophilic ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #Table #Distribution
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Autoimmune Vasculitis, ILD ... Malignancy: Lung ... mycobacterial), Eosinophilic ... Schema #Acute #Chronic ... #Differential #
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... month history of chronic ... dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... eosinophilic pneumonia ... #Diagnosis #Radiology ... #Table #RadiologyAssistant