13 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... detected on a chest ... in many cases UIP ... #Differential #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP ... Diagnosis #Radiology #CTChest ... Differential #Comparison #Table ... #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... abnormalities and signs ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
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 ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... associated with signs ... temples, upper lip ... especially lower lip ... Christmas tree pattern
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 ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... with a mozaic pattern ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant