14 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... LowAttenuation #Differential ... #Diagram #Comparison ... TractionBronchiectasis #Cysts
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 ... is interstitial lung ... When the cysts have
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Round, smooth cysts ... Lentiform/elliptical cysts ... Bizarre/irregular cysts ... - PLCH Round cysts ... /FB, LCDD, SS Cyst
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Diagnosis Algorithm ... Benign Cystic • Cyst ... Cystadenoma • Hydatid Cyst ... Lung, Colon, Breast ... #Diagnosis #Algorithm
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Diagnosis Algorithm ... Simple: Simple cyst ... Complex: Hydatid Cyst ... secondary - Breast, Lung ... #Diagnosis #Algorithm
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... • Bronchogenic Cyst ... #Nodule #Differential ... #Diagnosis #Algorithm
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table