10 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table ... #Distribution #
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
HRCT findings in ... predominance (photo negative ... of pulmonary edema ... Notice peripheral distribution ... #Clinical #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... the pattern of distribution ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... randomly distributed relative ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... and perihilar distribution ... #Clinical #Radiology ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
features of COVID-19 pneumonia ... lobes affected - Negative ... - Multilobar distribution ... ChestCT #Ultrasound #POCUS ... #features #Radiology