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Here are the most common examples of these four patterns on a chest x-ray (click image
Lobar consolidation ... - Solitary Pulmonary ... Masses Atelectasis ... #Diagnosis #Clinical ... #Patterns #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... in fact this is nodular ... interstitial lung ... #Lobar #Consolidation ... #Causes #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
weight loss or long standing ... of chronic consolidation ... pneumonia caused ... #Clinical #Radiology ... #Pneumonia #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
pneumonia caused ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Organizing Pneumonia - Clinical ... irregular lines, nodular ... #BOOP #pulmonary ... #ILD #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
of the lung to injury ... indicates unknown cause ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Hemorrhage
In this case there was a solitary nodule in the right upper lobe and a biopsy
Hemorrhage In this case ... was a solitary nodule ... The lobar consolidation ... Goodpasture's, Wegener's #Clinical ... #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
cytotoxic lung injury ... to years after starting ... nodules and masses ... Exclude other causes ... Exclusion of other ILDs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
and dyspnea • Lobar ... consolidation or ... factor • May cause ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... outcome in many cases ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant