10 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... next to pleura and ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Diagnosis #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Subsolid nodules
Most subsolid nodules are transient and the result of infection or hemorrhage.
However, persistent subsolid nodules
Subsolid nodules ... Most subsolid nodules ... Diagnosis #Radiology #Pulmonary ... #Fleischner #Guideline ... PulmonaryNodule #Followup #RadiologyAssistant
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
nodules can represent ... Perifissural nodules ... #Fleischner #Guideline ... #Solid #Nodule ... PulmonaryNodule #Followup #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution, nodules ... random nodules, ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
nodule (SPN) is ... listed in the table ... concluded that benign nodule ... the over 2000 nodules ... MalignancyRate #Rate #RadiologyAssistant
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
characteristics alone (See Table ... Epidemiology #Radiology #Pulmonary ... #Fleischner #Risk ... PulmonaryNodule #Nodule ... #RadiologyAssistant
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
Fleischner Society ... for follow-up of nodules ... lesion has been stable ... Society #Followup #Pulmonary ... #Nodules #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... , high and low attenuation ... (table). ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
differential diagnosis (Table ... in interstitial pulmonary ... Nodular or irregular ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant