13 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... is seen in: - UIP ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia and UIP ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... in many cases UIP ... #Pulmonary #CXR ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... predominance: UIP ... #Pulmonary #CTChest ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... On a chest X-ray ... A HRCT is needed ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... throughout the whole lung ... #Clinical #Diagnosis ... Fibrosis #Mimic #ILD #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
can heal and end up ... the surrounding lung ... without associated pulmonary ... #Clinical #Diagnosis ... Emphysema #Comparison #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... Kerley B lines on chest ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant