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Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... UIP) Usual Interstitial ... Intersitial Pneumonia ... Interstitial Pneumonia ... #ILD #Causes #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... listed in the table ... #Diagnosis #Radiology ... #ILD #Findings
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... Notice the air-bronchogram ... weight loss or long ... #Clinical #Radiology ... AirBronchogram #RUL
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... masses. ... The lab-findings ... also known as BOOP ... #Clinical #Radiology
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... artifact); (G) UIP ... Diagnosis #HRCT #POCUS ... #Lung #Correlation ... #Table #ILD #Findings
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... lung disease comes ... low attenuation (table ... UIP can be suspected ... #Diagnosis #Radiology
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... rare idiopathic lung ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... reticular densities caused ... #Clinical #Radiology ... UsualInterstitialPneumonitis #Usual #Interstitial ... Pneumonitis #Reticular #ILD
Here a typical lobar consolidation.
First study the images, then continue reading.
The findings are:
increased density with ill-defined
The findings are ... borders in the left lung ... , TB and lung cancer ... #Clinical #Radiology ... AirBronchogram #LLL
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... been treated for pneumonia ... and spaces can cause ... and perivascular interstitium ... the most common finding