9 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... Pulmonary edema #Diagnosis ... #HRCT #ChestCT ... #Upper #Lower #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... #Clinical #Radiology ... CTChest #RBILD #Comparison ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
of Hypersensitivity ... show very similar HRCT ... #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... broad differential diagnosis ... would first think hypersensitivity ... #Clinical #Radiology ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... restricted to areas ... carcinoma, the diagnosis ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
aswell as the HRCT ... suggestive of the diagnosis ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant