11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... airways leading to pulmonary ... cyst formation ... Clinical #Radiology #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... visible wall #CXR ... #Differential #Table ... #Lung #Pulmonary ... #Diagnosis #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... When the cysts have ... seen and in many cases ... #Pulmonary #CXR
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
There is a lung cyst ... is a possible diagnosis ... airways leading to pulmonary ... cyst formation ... Clinical #Radiology #CXR
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
The table on the ... is the overall table ... Tumors - Benign Cysts ... tumors - Foregut cysts ... #Diagnosis #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... upright or lat ... Lung #Abscess #pulmonary ... #differential #causes
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
e.g. incidental CXR ... Pulmonary: dyspnea ... , cough, chest pain ... acute sarcoidosis Pulmonary ... anterior/posterior MSK