22 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... low attenuation pattern ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... The cystic pattern ... When the cysts have ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... FlowVolume #Loops #Patterns ... #Comparison #Normal ... #pulmonary
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 ... LowAttenuation #Cystic #Pattern ... #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 ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Lung Microbiome - The dysbiosis-inflammation cycle. Inflammation of the airways alters environmental growth conditions of airway
pathogen-associated molecular pattern ... (PAMP)–pattern ... metabolite signaling to leukocytes ... pathophysiology #pulmonary
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 ... CTChest #Nodular #Pattern ... #Comparison #Table
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 ... Diagnosis #Radiology #Pulmonary ... CTChest #Nodular #Pattern ... #Differential #Comparison
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... - Acute pulmonary ... reticulonodular patterns ... - Chronic pulmonary ... Radiographic pattern
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
Comparison of Pathologic ... Breathing Patterns ... ) #Breathing #Patterns ... #Respiratory #pulmonary ... #diagnosis #comparison