9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Honeycombing Most diseases ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts #Emphysema ... #SignetRing #RadiologyAssistant
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Atelectasis - Emphysema ... Reticular - Emphysema ... #Radiology #Patterns ... #Lung #CXR #XRay ... #ChestCT #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... (centrilobular emphysema ... bronchiolitis (RB-ILD ... HRCT #ChestCT #Differential
Empyema on POCUS

89-year-old male with fever and dyspnea. Lung ultrasound reveals what chest x-ray hides -
Empyema on POCUS ... 89-year-old ... Lung ultrasound ... CasasolaGarcia #Empyema ... #POCUS #Clinical
â–º
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
centrilobular emphysema ... Emphysema however ... many inhalational diseases ... and also in emphysema ... Histiocytosis #Cystic #RadiologyAssistant
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
Lung abnormalities ... the following patterns ... are seen as in emphysema ... disease. ... #Patterns #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... low attenuation (emphysema ... cystic) Where is it located ... Interpretation #Algorithm #ILD ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... centrilobular emphysema ... throughout the whole lung ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... The dominant pattern ... are paraseptal emphysema ... there is a broad differential ... #RadiologyAssistant