27 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... #Causes #Table ... #Comparison
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the reticular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic ... #Nodular #Differential