12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... Lung #Pulmonary ... #Diagnosis #Radiology
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 ... #Diagnosis #Radiology ... #Pulmonary #Cystic
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... associated pulmonary ... #Radiology #CTChest ... Emphysema #Comparison
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis ... #Differential #
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 ... NodularPattern #Differential ... #Comparison #Table
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
no evidence of cystic ... Nasal polyps and signs ... in the adjacent lung ... #differential # ... diagnosis
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
Increased pulmonary ... the chest film (Table ... chronic obstructive lung ... #Diagnosis #Radiology ... #CHF #CXR #Stages