13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... with areas of ground-glass ... areas of low attenuation ... shows a mosaic pattern ... Radiology #CXR #CTChest
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 ... with peripheral areas ... Radiology #HRCT #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... pattern 1. ... emphysema: low attenuation ... areas without walls ... Radiology #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... pattern (2) 1. ... emphysema: low attenuation ... areas without walls ... Radiology #HRCT #CTChest
Bronchopneumonia Consolidation Pattern on Chest X-Ray

Patchy areas of consolidation that may be initially limited to one
Consolidation Pattern ... on Chest X-Ray ... Patchy areas of ... to one or more pulmonary ... Consolidation #Pattern
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
Differential Diagnosis Algorithm ... the following areas ... impairment in important areas ... • Histrionic - attention-seeking ... Differential #Diagnosis #Algorithm
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Cheese Sign on Chest ... distinct radiographic areas ... normal and high attenuation ... doi.org/10.1016/j.chest ... Sign #CT #Lung #Pulmonary
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 ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... with areas of ground-glass ... attenuation and ... areas of low attenuation ... Clinical #Radiology #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... consolidation) low attenuation ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm