41 results
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
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
#Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
cysts; smoking history ... #Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... Cystic #Pattern #Comparison
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... - Aspiration - Pulmonary ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lobe: Lateral, Medial ... Lobe: Superior, Medial ... lang=us #Lung # ... #CT #CTChest #pulmonary ... #clinical #radiology
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Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
heart defect - Pulmonary ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... #Causes #Table ... #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... is interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... sign - Corona radiata ... #ChestCT #CT #Lung ... #differential #radiology
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
of all diffuse lung ... also uncommon HRCT-presentations ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED ... #Mnemonic #HRCT