13 results
Since these risk factors are numerous and have different effects on the malignancy risk, it is
EBM #Radiology #Pulmonary ... #Fleischner #Probability ... PulmonaryNodule #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 ... #Fleischner #Guideline ... PulmonaryNodule #Followup #RadiologyAssistant
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
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
Solid pulmonary ... Diagnosis #Radiology #Pulmonary ... #Fleischner #Guideline ... PulmonaryNodule #Followup #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
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
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
Fleischner Society ... Radiology #CTChest #Fleischner ... Society #Followup #Pulmonary ... #Nodules #RadiologyAssistant
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
Epidemiology #Radiology #Pulmonary ... #Fleischner #Risk ... PulmonaryNodule #Nodule #RadiologyAssistant