19 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... The ground-glass ... seen and in many cases
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... Differential #Comparison #Table
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... Consolidation #Patterns
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
extensive ground glass ... artifact); (G) UIP pattern ... #Clinical #Diagnosis ... #Correlation #Table ... #ILD #Findings
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
- Differential Diagnosis ... Algorithm Minimal ... > 25 bpm): • Mild ... hypoxia Sinusoidal Pattern ... #Algorithm #Causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Algorithm Pericardial ... Artery Disease • Stable ... Interstitium • ILD ... #Algorithm #Causes
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 ... bronchiectasis) #Diagnosis ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis are: ill-defined ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... Clinical #Radiology #CTChest
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
regurgitation) Diagnosis ... not specific • Chest ... mosaic parenchymal pattern ... WHO functional class ... WHO functional class