23 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... disease comes from ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... - Emphysema - Lung ... Honeycombing Most diseases ... Diagnosis #Radiology #Pulmonary ... Emphysema #SignetRing #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... enlargement of pulmonary ... hyperperfused lung ... thromboembolic disease ... Thromboembolism #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... - Aspiration - Pulmonary ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... ILD #Findings #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... The term 'mosaic ... thromboembolic disease ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
, pulmonary congestion ... disease, idiopathic ... pulmonary fibrosis ... artifact); (G) UIP pattern ... #Correlation #Table
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
with ground glass pattern ... in a mosaic distribution ... hyperperfused lung ... thromboembolic disease ... Thromboembolism #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
sarcoidosis the common pattern ... In lung carcinoma ... postirradiation Hodgkin disease ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant