38 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... disease comes from ... low attenuation (table ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... Honeycombing Most diseases ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
Cystic lung disease ... Lung cysts are ... Cystic lung diseases ... listed in the table ... #Differential #
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Features of Pulmonary Diseases ... #Pulmonary #Diseases ... #Radiology #Patterns ... #Lung #CXR #XRay ... #ChestCT #Differential
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... lung disease. ... disease that results ... #Clinical #Radiology ... #CXR #Pneumothorax
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... disease or CHF) ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... #Cough #Differential
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... #Diagnosis #Radiology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... will limit the differential ... - Lung neoplasms ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... ) • CXR upright ... shows a small, stable ... Abscess Differential ... Abscess #pulmonary #differential