8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Attenuation: • Emphysema ... Sarcoidosis • Bronchiectasis ... Differential #Diagnosis ... #pulmonary #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
or an area of consolidation ... without associated pulmonary ... with end-stage fibrosis ... #Radiology #CTChest ... #Comparison #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... centrilobular nodules, or consolidation ... parenchyma Diagnosis ... #pulmonary #differential ... #diagnosis
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... centrilobular emphysema ... In chronic HP fibrotic ... #Radiology #CTChest ... #UIP #Comparison
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 ... (ground-glass, consolidation ... low attenuation (emphysema ... ) #Diagnosis #Radiology ... #Pulmonary #HRCT
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
some traction bronchiectasis ... like idiopathic pulmonary ... in chronic hypersensitivity ... #Clinical #Radiology ... #CTChest #DrugInduced
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Centrilobular emphysema ... aspergillosis - Chronic ... lung #diseases #differential ... #diagnosis #mnemonic ... #STARCHASERS #radiology