9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... lung disease and ... a CXR the most common ... #Diagnosis #Radiology ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
' per se. ... indicates unknown cause ... patterns are also common ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... lung disease, it ... a predominant finding ... Kerley B lines on chest ... #Diagnosis #Radiology
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Pleuritic chest ... Characteristic finding ... Exclude other causes ... ground glass or reticular ... opacities on chest
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... between these chest ... lung disease, that ... #Clinical #Diagnosis ... #Radiology #CXR
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... DDX - Other causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... factor • May cause ... fever, rales, interstitial ... Infections #HIV #AIDS ... #pulmonary #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammatory lesions-interstitial ... discrepancies Findings ... vasculitis, and SLE ... #rheumatology #
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
failure is the most common ... fluid into the interstitium ... disease and causes ... #Diagnosis #Radiology ... CXR #Features #Findings