13 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
organizing pneumonia (COP ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Upper #Lower #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
morphologic findings on HRCT ... , OP and LIP have ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... can suggest the diagnosis ... in the proper clinical ... #Clinical #Radiology ... SepticEmboli #Cavity #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
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
maybe there is an air-bronchogram ... the differential diagnosis ... organizing pneumonia (OP ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... A HRCT is needed ... to confirm the diagnosis ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
The diagnosis is ... the suggestive HRCT ... the advent of treatment ... #Clinical #Radiology ... #CrazyPaving #RadiologyAssistant