12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... low attenuation (table ... On a Chest X-Ray ... a CXR the most common ... detected on a chest
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... with peripheral areas ... #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... are also common ... #Pulmonary #CTChest
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... and some mosaic pattern ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... Erythema with greasy ... Christmas tree pattern ... Tinea versicolor - Chest ... especially anterior chest
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
sudden-onset shortness of breath ... insertion of a chest ... travels from these areas ... the head, neck, chest ... in subcutaneous areas
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Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... There are areas ... and extensive areas ... #CTChest #AIP # ... AcuteInterstitialPneumonia #ILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... is relatively common ... differential diagnosis (Table ... Kerley B lines on chest ... #Pulmonary #HRCT