8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... in women in the child-bearing ... Centrilobular emphysema ... LIP #Clinical #Diagnosis ... #Comparison #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... edema #Diagnosis ... HRCT #ChestCT #Differential ... #Table #Distribution
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... #LungDisease #CTILD ... #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
pneumatocele, emphysema ... with a thin wall Emphysema ... #CXR #Lucency #Differential ... #Table #CavitaryLesion ... #Pulmonary #Diagnosis
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... without associated pulmonary ... emphysema. ... #Comparison #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... #Diseases #pulmonary ... #differential # ... diagnosis #comparison ... #table #eosinophilia
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... cancers, including lung ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology