11 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
biliary, renal, lung ... concentration PET-CT ... increased IgG4+ cells ... #diagnosis #management ... #phenotypes #workup
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... CT Lung Abscess ... westermani • Other: TB ... #treatment #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
macrophages and T cells ... • Silicosis • Chronic ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
macrophages and T cells ... • Silicosis • Chronic ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... +/- High res CT ... Fungal, AFB), TB ... Infectious Diseases ... #diagnosis #evaluation
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... mycobacteria Treatment
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... #management
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
yield of available diagnostic ... The treatment of ... comorbidities, such as chronic ... coronary artery disease ... Management options
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Other tests: • CT ... sparing of the lung ... CT ... #management #treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... Kansasii: • Mimics TB ... Advanced HIV (CD4 cell ... Lung Disease: ... Imaging, high res CT