10 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Carcinomatosis #Mimic #Differential ... #Comparison #Table ... #RadiologyAssistant
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
autoimmune conditions, medications ... idiopathic, and medications ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... CTChest #MiliaryTB #Comparison ... Metastases #Mimic #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... #CTChest #UIP #Comparison ... Fibrosis #Mimic #ILD #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... Collapse #Patterns #Comparison ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
expiratory scan, indicating ... included in the differential ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant