13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... #Comparison #Table ... #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 #Differential ... #Table #Distribution
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 ... #Radiology #CTChest ... #UIP #Comparison ... #Mimic #ILD #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
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
is a peripheral distribution ... dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... diagnosis is to ... the pattern of distribution ... #Diagnosis #Radiology ... #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... with end-stage fibrosis ... #Radiology #CTChest ... Cyst #Emphysema #Comparison ... #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
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
the result of fibrosis ... see the classic distribution ... suggestive for the diagnosis ... #Clinical #Radiology ... #RadiologyAssistant