22 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... and areas of low ... attenuation. ... nodules of increased attenuation ... #Fibrosis #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... with peripheral areas ... presenting as areas ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... emphysema: low attenuation ... areas without walls ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... emphysema: low attenuation ... areas without walls ... Pattern #Comparison #Table ... #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... non-affected lung areas ... There are patchy areas ... oligemic lung due to chronic ... #Differential #RadiologyAssistant
Hidden areas - There are some areas that need special attention, because pathology in these areas
Hidden areas - There ... are some areas ... that need special attention ... as the hidden areas ... #Zones #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... mosaic pattern with areas ... and areas of low ... attenuation, that ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive ... • Acute and chronic ... white or yellow areas ... around atrophic areas ... pathophysiology #ophthalmology
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
the following areas ... impairment in important areas ... The pattern is stable ... • Histrionic - attention-seeking
Here an example of a large lesion in the right lower lobe, which is difficult to
you give special attention ... to the hidden areas ... Subtle #Diaphragm #RadiologyAssistant