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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... on HRCT and histology ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... show very similar HRCT ... findings ... #Radiology #CTChest ... #UIP #Comparison
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... bronchiectasis due to fibrosis ... Clinical #Radiology #CTChest ... #Pneumonitis #ILD
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 ... #Clinical #Diagnosis ... #Correlation #Table ... #ILD #Findings
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... findings. ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
with subsequent fibrosis ... findings in AIP ... suggestive of the diagnosis ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
- Differential Diagnosis ... heat illness → Hypernatremia ... Collapse: • Pathophysiology ... Ataxia • Lab Findings ... #differential #diagnosis
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
The predominant finding ... the result of fibrosis ... suggestive for the diagnosis ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
The predominant finding ... the result of fibrosis ... suggestive for the diagnosis ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD