16 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... Broncho-alveolar cell ... #HRCT #CTChest ... #Comparison #Table
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
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
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
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Differential Diagnosis Algorithm ... in adults - Breast ... - Thyroid - Lung ... Non-Malignant • Giant Cell ... Causes #Oncology #Radiology
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
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
Records every heart beat ... patient places on chest ... Loop recorder - Long ... Monitors #heart #cardiology ... telemetry #devices #comparison
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... the following patterns ... Less frequently areas ... published soon: Chest ... #CXR #Lung #Patterns
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... - gastric and breast ... lymphocytic interstitial lung ... Chest CT: • Ground-glass
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... (arrow) in the areas ... hyperperfused lung ... #Clinical #Radiology ... #CTChest #GGO #