11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... (miliary) or perilymphatic ... HRCT #CTChest #NodularPattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... Miliary TB: random ... nodules of the ... #Pattern #NodularPattern ... Differential #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
centrilobular or random ... Random refers to ... Random distribution ... Nodules are randomly ... Pulmonary #HRCT #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Miliary TB: random ... nodules 3. ... Pattern #Comparison #Table
Random distribution of nodules in miliary tuberculosis #Clinical #Radiology #CTChest #Random #MiliaryTB #Miliary #RadiologyAssistant
Random distribution ... of nodules in miliary ... Radiology #CTChest #Random ... #MiliaryTB #Miliary
Miliary TB
This represents a hematogenous dissemination of infection and may occur in association with either primary
Miliary TB This ... uniform small nodules ... with a random distribution ... Radiology #CTChest #Miliary ... #MiliaryTB #Tuberculosis
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
In both miliary ... metastases the nodules ... have a random distribution ... In miliary TB the ... nodules are more
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... - Metastases: random ... Differential #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... : • Random: Metastases ... , Miliary Infection
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
HR-pattern: reticular nodular ... perilymphatic or random ... Interpretation #Algorithm