10 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 ... Pulmonary #HRCT #CTChest ... #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
centrilobular or random ... Random refers to ... Random distribution ... Pulmonary #HRCT #NodularPattern ... Perilymphatic #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... Radiology #Pulmonary #CTChest ... Nodular #Pattern #NodularPattern ... #Differential #Comparison
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Tests (PFTs) - Interpretation ... Algorithm • Normal ... Carboxyhemoglobinemia • Chest ... FunctionTests #PFTs #Interpretation ... #Algorithm #diagnosis
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Miliary TB: random ... Radiology #HRCT #CTChest ... Nodular #Pattern #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Metastases: random ... Diagnosis #Radiology #CTChest ... #Differential #Comparison
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Testing (PFT) Interpretation ... Algorithm Restrictive ... Lung Disease: • Chest ... Testing #PFT #PFTs #Interpretation ... #Algorithm #diagnosis
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
Basic Interpretation ... perilymphatic or random ... Pulmonary #HRCT #CTChest ... #Interpretation ... #Algorithm #ILD
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
with Aberration - Interpretation ... Brugada algorithm ... Aberration #Aberrancy #Comparison
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
nodules have a random ... Diagnosis #Radiology #CTChest ... #MiliaryTB #Comparison