22 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Upper #Lower #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... - Emphysema - Lung ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... ConnectiveTissueDiseases #ILD ... LungDisease #CTILD #Diagnosis ... #Differential #Comparison
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
different lists of diagnoses ... 80 - 90% of all diagnoses ... some of them the old ... #Diagnosis #Radiology ... Mnemonic #HRCT #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
present as multiple ill-defined ... can suggest the diagnosis ... densities iin the left lung ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... or multifocal ill-defined ... tissue of the lung ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In these cases comparison ... with old fims can ... Redistribution #RadiologyAssistant