18 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... is seen in: - UIP ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia and UIP ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... on the basis of HRCT ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
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 ... multilayered thick-walled cysts ... #Pneumonitis #ILD ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... When the cysts have ... in many cases UIP ... #Pulmonary #CXR ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... findings of NSIP, UIP ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... can heal and end up ... To differentiate ... associated pulmonary ... Emphysema #Comparison #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... predominance: UIP ... #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant