11 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 ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Decelerations - Differential ... Diagnosis Algorithm ... > 25 bpm): • Mild ... hypoxia Sinusoidal Pattern ... #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... Chest Wall Abnormalities ... Interstitium • ILD
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
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 ... attenuation (ground-glass ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... associated ground glass ... LCDD, SS Cyst pattern ... presentations - ILD ... #Diagnosis #differential
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... The dominant pattern ... is ground glass ... there is a broad differential ... Clinical #Radiology #CTChest
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
outcome in many cases ... The histologic pattern ... areas of ground-glass ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
important finding on a chest ... has a limited differential ... The most common causes ... produces only mild ... Lobar #Collapse #Patterns