9 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... distribution is likely centrilobular ... the nodules are diffuse ... HRCT #CTChest #NodularPattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... pneumonitis: ill defined centrilobular ... before the typical cysts ... CTChest #Nodular #Pattern ... #NodularPattern
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
Bronchiectasis: ... of localized -> diffuse ... Virus, measles, Cystic ... Sjögren, SLE, Cystic ... Differential #workup #algorithm
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Pneumoconiosis • Centrilobular ... Sarcoidosis • Bronchiectasis ... HighRes #Chest #CT
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Differential Diagnosis Algorithm ... Malignancy • Bronchiectasis ... Malformation Normal CXR/CT ... • Bronchitis Diffuse ... CT Abnormalities
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... of Diffuse Cystic ... parenchyma in a diffuse ... pattern not consistent ... DCLD #pulmonary #Algorithm
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... Ballooning of cystic ... lobe of lung) 2) Diffuse ... Genetic Conditions (Cystic
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - ... Common Causes: • Cystic ... no evidence of cystic ... air-fluid levels, centrilobular ... high-resolution chest CT
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 ... attenuation (emphysema, cystic ... secondary lobule (centrilobular ... lymphadenopathy, traction bronchiectasis ... Interpretation #Algorithm