9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Diagnosis #Radiology #Pulmonary ... #Differential #Diagram ... Emphysema #SignetRing #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
Pathophys #Radiology #Pulmonary ... CTChest #TreeInBud #Diagram ... #RadiologyAssistant
Subsolid nodules
Most subsolid nodules are transient and the result of infection or hemorrhage.
However, persistent subsolid nodules
size and a solid component ... Diagnosis #Radiology #Pulmonary ... PulmonaryNodule #Followup #RadiologyAssistant
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... Test (PFT) Interpretation ... (restrictive component ... confirm restrictive component ... Severity, #Pulmonary
The distribution of nodules shown on HRCT is the most important factor in making an accurate
Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
Diagnosis #Radiology #Pulmonary ... Hidden #Volume #Diagram ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
Basic Interpretation ... structured approach to interpretation ... Diagnosis #Radiology #Pulmonary ... HRCT #CTChest #Interpretation ... Algorithm #ILD #RadiologyAssistant
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
and increased pulmonary ... dilatation of pulmonary ... LV failure or pulmonary ... Features #Findings #Diagram ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
mandatory for the interpretion ... probably would be pulmonary ... would expect more pulmonary ... RespiratoryBronchiolitis #ILD #RadiologyAssistant