8 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... #Clinical #Diagnosis ... #CTChest #Nodular ... #Differential # ... Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
Random distribution ... #Pulmonary #HRCT ... #Pattern #Distribution ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... pattern. ... #Pulmonary #HRCT ... #Nodular #Differential ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... - Metastases: random ... #CTChest #Cystic ... #Comparison #Table
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... Interstitial - Reticular ... mass - Solitary Pulmonary ... #Diagnosis #Clinical ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... : reticular, nodular ... seen and in many cases ... #Pulmonary #CXR ... RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... have a random distribution ... #Clinical #Diagnosis ... #Radiology #CTChest ... #MiliaryTB #Comparison