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On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
bronchiolitis: ill ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
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 ... #Differential #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Centrilobular emphysema ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... respond to the treatment ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Table
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
abnormality includes an old ... calcified empyema ... for pulmonary tuberculosis ... #Clinical #PCC # ... Radiology #CXR #
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
HR-pattern: reticular nodular ... low attenuation (emphysema ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm #ILD
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
are paraseptal emphysema ... broad differential diagnosis ... immunocompromised patient PCP ... probably would be pulmonary ... #Clinical #Radiology
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
cardiomyopathy • Pulmonary ... during Delivery • Stable ... Avoid ARBs • ICD ... #management #cardiology ... #treatment
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
it was in the old ... characteristics alone (See Table ... #Diagnosis #Epidemiology ... #Radiology #Pulmonary ... PulmonaryNodule #Nodule