199 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... The other cause ... This was a PCP-infection ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
pembrolizumab) -Pneumonitis ... exclusion: rule out infection ... well as radiation pneumonitis ... There are case reports ... Clinical #Diagnosis #Radiology
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... #Upper #Lower #RadiologyAssistant
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Labrynthitis/Vestibular Neuronitis ... nystagmus - Infection ... Cerebellar / Brainstem Infarction ... Diagnosis #Algorithm #Causes
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... acute cardiac infarction ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... splenomegaly Other infections ... multiple lesions Infectious ... differential #diagnosis #causes ... #radiology #neurology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant