12 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Lymphangiomyomatosis (LAM): uniform ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
The diagnosis is ... the suggestive HRCT ... pattern (crazy ... #Clinical #Radiology ... #CTChest #AlveolarProteinosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... is a reticular patern ... challenging differential diagnosis ... #Clinical #Radiology ... #CXR #CTChest #