47 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
child-bearing age ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... child-bearing age ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... child-bearing age ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... left lung, which are ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
multilayered thick-walled cysts ... lymphadenopathy #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... consolidation - Multifocal ill-defined ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... bronchiolitis: ill ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
There are multiple ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
A signet-ring sign ... viral, at an early age ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant