6 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... bronchiectasis: ... walls, central dot ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic
Deep Vein Thrombosis Ultrasound Pocket Card
Deep Vein Thrombosis Scanning Sites:
 • Common Femoral Vein 
 •
Vein Thrombosis Ultrasound ... Thrombophlebitis • Baker’s Cyst ... Lymph Node • Pseudoaneurysms ... DeepVein #Thrombosis #DVT ... #radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Antitripsyn Def • Cysts ... Honeycombing: Idiopathic Pulmonary ... Sarcoidosis • Bronchiectasis ... Infection, Aspiration, Cystic ... #radiology
Tree-in-bud almost always indicates the presence of:
Endobronchial spread of infection (TB, MAC, any bacterial bronchopneumonia)
Airway disease
with infection (cystic ... fibrosis, bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
attenuation (emphysema, cystic ... lymphadenopathy, traction bronchiectasis ... ) #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Interpretation