3457 results
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 ... #Diagnosis #Radiology
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. ... #Clinical #Radiology
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... perilymphatic, random ... pattern is either random ... it is likely a random ... #Diagnosis #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Miliary TB: random ... nodules of the ... Clinical #Diagnosis #Radiology
Random distribution of nodules in miliary tuberculosis #Clinical #Radiology #CTChest #Random #MiliaryTB #Miliary #RadiologyAssistant
Random distribution ... of nodules in miliary ... tuberculosis #Clinical #Radiology ... #CTChest #Random
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... - Metastases: random ... Clinical #Diagnosis #Radiology
Miliary TB
This represents a hematogenous dissemination of infection and may occur in association with either primary
uniform small nodules ... with a random distribution ... #Clinical #Radiology
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
metastases the nodules ... have a random distribution ... miliary TB the nodules ... Clinical #Diagnosis #Radiology
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 ... bronchiectasis) #Diagnosis #Radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... : • Random: Metastases ... Diagnosis #pulmonary #radiology