46 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts #Emphysema ... #SignetRing #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... - Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #Upper #Lower #RadiologyAssistant
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... a normal loop is ... Loops #Patterns #Comparison ... #Normal #pulmonary
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Centrilobular emphysema ... #Differential #Comparison ... #Table #RadiologyAssistant
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Emphysema C. ... Loops #Patterns #pulmonary
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
without associated pulmonary ... emphysema. ... #Cavity #Cyst #Emphysema ... #Comparison #RadiologyAssistant
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... #Diagnosis #Pulmonary ... #Restrictive #Normal ... #Comparison
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... redistribution of pulmonary ... may still have a normal ... a superimposed pulmonay ... #Differential #RadiologyAssistant