25 results
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
Solid pulmonary ... nodules can represent ... Perifissural nodules ... Diagnosis #Radiology #Pulmonary ... PulmonaryNodule #Followup #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
centrilobular nodules ... . - If pleural nodules ... and also nodules ... Diagnosis #Radiology #Pulmonary ... Differential #Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
centrilobular nodules ... Sarcoidosis: nodules ... Sarcoidosis: nodules ... Diagnosis #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Subsolid nodules
Most subsolid nodules are transient and the result of infection or hemorrhage.
However, persistent subsolid nodules
Subsolid nodules ... Most subsolid nodules ... 18% and solid nodules ... Diagnosis #Radiology #Pulmonary ... PulmonaryNodule #Followup #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... most cases small nodules ... Nodules are almost ... Diagnosis #Radiology #Pulmonary ... Comparison #Diagram #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
centrilobular nodules ... Pathophys #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... demarcated secondary lobeles ... Cardiogenic pulmonary ... Clinical #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... in both upper lobes ... AirFluidLevel #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
calcification' in lymph nodes ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant