19 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 ... LowAttenuation #Differential ... 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 ... HRCT #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Centrilobular emphysema ... central dot. - LIP #Clinical ... Cystic #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... without associated pulmonary ... emphysema. ... #Clinical #Diagnosis ... #Comparison #RadiologyAssistant
Light's Criteria

Medical Nugget on Light's Criteria for diagnosis of Exudative Pleural Effusion in adults and children.
InternalMedicine #Pediatrics ... LightsCriteria #MedNugget #differential ... #ddxof #pulmonary ... im #radiology #clinical
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... #Clinical #Radiology ... Carcinomatosis #Mimic #Differential ... Comparison #Table #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
of panlobular emphysema ... the secondary pulmonary ... Pulmonary vessels ... #Clinical #Radiology ... PanlobularEmphysema #RadiologyAssistant
Undifferentiated critical congenital heart disease: Patterns of Presentation 
Pink baby:
 • Presents at 1-6 mo
Undifferentiated critical ... if cardiac or pulmonary ... #presentation #Differential ... Gray #Baby #Peds #Pediatrics
Aspiration of Purulent Fluid during Thoracentesis

Pus aspiration from an empyema, which defined as pus in the
aspiration from an empyema ... #Empyema #Aspiration ... Thoracentesis #clinical ... #physicalexam #pediatrics ... #pulmonary