17 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural ... effusion; sometimes ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
#Diagnosis #Radiology ... #Pulmonary #CXR ... #Effusion #Hidden ... #Volume #Diagram ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
the presence of pleural ... fissures. - If pleural ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
Pleural effusion is seen in:
1. Pulmonary edema
2. Lymphangitic spread of carcinoma - often unilateral
3. Tuberculosis
4. Lymphangiomyomatosis
Pleural effusion ... Pulmonary edema ... Asbestosis #Diagnosis #Radiology ... #Pulmonary #Pleural ... #Differential #RadiologyAssistant
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... by an exudative effusion ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
Pleural effusion ... A subpulmonic effusion ... a patient with signs ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... Look for other signs ... Kerley B-lines and pleural ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... Lesions may show pleural ... effusions and parenchymal ... #Clinical #Radiology ... Pneumonia #ILD #RadiologyAssistant