23 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... #Distribution #
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 #NodularPattern ... Perilymphatic #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Patterns #Diagnosis #Comparison ... #Table #Presentation ... #Pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... Diagnosis #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... low attenuation (table ... On a Chest X-Ray ... detected on a chest ... Diagnosis #Radiology #Pulmonary
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In a normal chest ... The pulmonary vascular ... of pulmonary blood ... applies to chest ... In these cases comparison
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... in normal lung, pulmonary ... Clinical #Diagnosis #HRCT ... #POCUS #Lung #Correlation ... #Table #ILD #Findings