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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
the left three different ... patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... particularly at the lung ... to confirm the diagnosis ... at the lung bases ... #Clinical #Radiology
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
the cases the lung ... the ground-glass pattern ... bronchiectasis and honeycombing ... #Clinical #Radiology ... #CTChest #GroundGlass
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
a patient with GGO ... fibrosis with honeycombing ... #Clinical #Radiology ... #CTChest #NSIP ... #GroundGlass #GGO
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
In the images on your left you can appreciate again the spectrum of findings seen in
fine reticular pattern ... Notice the lack of honeycombing ... excluding UIP as diagnosis ... #Clinical #Radiology ... #CTChest #NSIP
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
with ground glass pattern ... hyperperfused lung ... Emboli adherent ... #Clinical #Radiology ... #CTChest #GGO #
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
suggestive for the diagnosis ... common interstitial lung ... #Clinical #Radiology ... #CTChest #NSIP ... NonspecificInterstitialPneumonia #ILD