25 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... sweats, chills (infection ... disease or CHF) ... refer + order CT ... disease #Chronic
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... IgG4 #Related #Disease
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... conditions Diagnosis
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... Systemic Diseases ... Manifestations: • Infection ... (most common: lung ... , Aneurysm • Pancreas
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Diagnosis Of NTM ... Lung Disease: ... Imaging, high res CT ... Exclusion of other diagnosis ... #differential #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... and bacterial infections ... Brucellosis • Liver or lung ... abscess • Sub-acute ... #Differential #Diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... CXR +/- High res CT ... Diseases Fellows ... HIVAIDS #workup #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... Opacities: • Infectious ... CXR #clinical #CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Periodontal disease ... in early disease ... seen • Chest CT
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Myositis 4% - Lung ... 5-15% - Anti-Ku ... Other auto-immune, Infectious ... diseases, Hematological ... sclerosis, Still's disease