19 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 ... consolidation #Clinical ... #CTChest #HighAttenuation ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Langerhans cell ... #Clinical #Radiology ... #HRCT #CTChest ... #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 ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Langerhans cell ... #Clinical #Diagnosis ... #CTChest #Nodular ... Differential #Comparison #Table
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
CT • Juxtaposition ... distinct radiographic areas ... #Cheese #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
The CT-image is not very helpful in the differentiation.
There are hypodense areas, which could be masses.
On
The CT-image is ... are hypodense areas ... also could be areas ... with hypodense areas ... #Clinical #Radiology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... late adulthood • Diagnosis ... to 8 years Clinical ... - gastric and breast ... Chest CT: • Ground-glass
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... evaluation of the pattern ... Areas of diagnostic ... Abnormal USS may well ... LFTs #Abnormal #Algorithm
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... and bronchi as well ... #Clinical #Radiology ... #CTChest #Chronic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... should be based on clinical ... enhancement on CT ... periventricular areas ... subcortical white matter