13 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... is a peripheral distribution ... dealing with the differential ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
pattern in a mosaic distribution ... (arrow) in the areas ... hyperperfused lung ... #Clinical #Radiology ... Thromboembolism #RadiologyAssistant
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... listed in the table ... #Diagnosis #Radiology ... CysticLungDisease #Differential ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... gravitational distribution ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
formation may create ... is necessary to differentiate ... fracture from a lung ... #Clinical #Radiology ... #Pseudotumor #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... strong lower zone distribution ... throughout the whole lung ... #Clinical #Diagnosis ... Fibrosis #Mimic #ILD #RadiologyAssistant
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
The distribution ... severe diseased areas ... of the lung On ... #Clinical #Radiology ... AlveolarEdema #RadiologyAssistant