22 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... low attenuation areas ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... low attenuation areas ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... pneumatocele, emphysema ... is to describe areas ... #Differential #Table ... Pulmonary #Diagnosis #Radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... edema #Diagnosis #Radiology ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... Pattern #Comparison #Table ... #RadiologyAssistant
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
sudden-onset shortness of breath ... neck (shown in video ... travels from these areas ... in subcutaneous areas ... under the skin as long
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Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... Less frequently areas ... are seen as in emphysema ... Diagnosis #Pathophys #Radiology ... #RadiologyAssistant
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Differential Diagnosis Algorithm ... in adults - Breast ... - Thyroid - Lung ... Differential #Diagnosis #Algorithm ... Causes #Oncology #Radiology
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
to widespread areas ... in the affected lung ... appearance of extensive lung ... #Clinical #Radiology ... PanlobularEmphysema #RadiologyAssistant
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... listed in the table ... as radiolucent areas ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant