23 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... factor • May cause ... fever, rales, interstitial ... #differential #diagnosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... lung disease, interstitial ... Lung POCUS shows ... NOT definitively diagnose
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Limitation • Interstitial ... lung disease ... Malformation • Severe Pneumonia
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... seen and in many cases ... #Differential #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... : Aspiration pneumonia ... CT Lung Abscess ... #differential #causes
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... this is nodular interstitial ... lung disease, that ... #Clinical #Diagnosis ... #RadiologyAssistant
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... dependent part of the lungs ... the differential diagnostic ... Clinical #Radiology #CTChest ... IntersitialEdema #Septal #RadiologyAssistant
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Granulomatous lymphocytic interstitial ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... DDX - Other causes
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... rare idiopathic lung ... suggestive of the diagnosis ... Clinical #Radiology #CTChest