11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... On a Chest X-Ray ... lung disease and ... #Diagnosis #Radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... CXR +/- High res CT ... chest scan), CBC ... Infectious Diseases ... HIVAIDS #workup #diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Infection (TB, Fungal ... HiRes #HighRes #Chest ... Differential #Diagnosis ... #pulmonary #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... Miliary #Pattern #Chest ... #Radiology #differential ... #diagnosis #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... : Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... treatment until the chest
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
lung disease, it ... a predominant finding ... Kerley B lines on chest ... #Diagnosis #Radiology ... #CTChest #Reticular
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • Pleuritic chest ... Lymphadenopathy, Chest ... Pneumonia: • Chest ... diagnosis #infectiousdiseases
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
chest to evaluate ... sparing of the lung ... typically seen on chest ... CT ... #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... #diagnosis #management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Dyspnea, • Chest ... Lung Disease: ... Imaging, high res CT ... NTM #Infections #differential ... #diagnosis #infectiousdiseases