9 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pneumonia • formerly BOOP ... , cavities • HRCT ... Pneumonia #COP #BOOP ... #pulmonary #ILD ... #diagnosis #management
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... BOOP - Bronchiolitis ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
low attenuation (emphysema ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm #ILD ... #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the other hand, mild ... difficult to detect on HRCT ... (1). ... #Clinical #Radiology ... PanlobularEmphysema #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... are paraseptal emphysema ... broad differential diagnosis ... #Clinical #Radiology ... #RadiologyAssistant
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... interventional radiology ... immediate treatment 1. ... renal failure, pulmonary ... Oncology #HemeOnc #Diagnosis