15 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential # ... RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
Size A solitary pulmonary ... listed in the table ... #EBM #Radiology ... #Pulmonary #SolitaryPulmonaryNodule ... MalignancyRate #Rate #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential # ... Algorithm #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Solitary Pulmonary Nodule
Click here for more detailed information about Solitary Pulmonary Nodule
A solitary pulmonary nodule or
pulmonary nodule ... The differential ... #Diagnosis #Radiology ... SolitaryPulmonaryNodule #Differential ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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or air-filled lesions ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
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Solid pulmonary ... that can help to differentiate ... and malignant lesions ... #Diagnosis #Radiology ... PulmonaryNodule #Followup #RadiologyAssistant
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Hamartoma, Lipoma ... Metastases ("cannonball lesions ... #Differential # ... Algorithm #Causes #Pulmonary