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UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... changes are typically ... Diagnosis #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
maybe there is an air-bronchogram ... month history of chronic ... differential diagnosis of chronic ... The lab-findings ... OrganizingPneumonia #BOOP #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Primary - Other (Rare ... Lymphangioleiomyomatosis (LAM ... , Beomycin • Acute ... or Chronic Radiation ... Lung #Diseases #ILD
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
pneumonia On the chest ... x-ray there is an ill-defined ... list of causes of chronic ... This was an acute ... Lobar #Pneumonia #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In these cases comparison ... with old fims can ... during a period of CHF ... Radiology #CXR #CHF ... Redistribution #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Hx of asthma, CF ... ; Chronic cough, ... sx similar to AEP ... differential #diagnosis #comparison
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... from acute respiratory ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
subclinical disease to acute ... - Symptoms of chronic ... common, and Anti-LKM ... Anti-ALC Abs (rare ... Necrosis) If mild
There are three principal varieties of pulmonary edema: cardiac, overhydration and increased capillary permeability (ARDS). 
The
permeability or acute ... renal failure and chronic ... Radiology #CXR #CHF ... Pedicle #Width #Comparison ... VascularPedicleWidth #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
expiratory scans for air ... bronchiolitis or chronic ... Clinical #Radiology #CTChest ... #Attenuation #Comparison ... #RadiologyAssistant