13 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... Broncho-alveolar cell ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Langerhans cell ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Differential Diagnosis Algorithm ... Metastatic - Most common ... in adults - Breast ... - Thyroid - Lung ... Non-Malignant • Giant Cell
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... Before we call these ... patterns are also common ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... low attenuation (table ... a CXR the most common ... in Langerhans cell ... #Diagnosis #Radiology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... - gastric and breast ... Granulomatous lymphocytic interstitial ... Chest CT: • Ground-glass
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... infiltration by cells ... is relatively common ... differential diagnosis (Table ... Pulmonary #HRCT #CTChest
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
to Adults from Common ... ) — Lung Cancer ... #PatientInfo #Radiology ... #Nuclear #Comparison ... #Table #Risks #
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
Records every heart beat ... Loop recorder - Long ... Monitors #heart #cardiology ... telemetry #devices #comparison ... #table
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
neck (shown in video ... travels from these areas ... and perivascular interstitium ... in subcutaneous areas ... examination, the most common