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On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
Size A solitary pulmonary ... diameter is called a mass ... high risk for lung ... listed in the table ... MalignancyRate #Rate #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
making an accurate diagnosis ... structures of the lung ... #Pulmonary #HRCT ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... the surrounding lung ... without associated pulmonary ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
Thyroid masses #Diagnosis ... #Pulmonary #Radiology ... #Mediastinal #Mass ... Anterior #Middle #Posterior ... #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... (Table). ... Nodular or irregular ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
Solitary Pulmonary Nodule
Click here for more detailed information about Solitary Pulmonary Nodule
A solitary pulmonary nodule or
pulmonary nodule ... surrounded by lung ... the same as of a mass ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary ... pernio, papules, nodules ... ; anterior/posterior
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
smoking, history of lung ... #Diagnosis #Epidemiology ... #Radiology #Pulmonary ... PulmonaryNodule #Nodule ... #RadiologyAssistant