49 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
. tuberculosis infections ... for 4.6% of new infections ... HIV • Recent infection ... inhibitors • Injection ... #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
. tuberculosis infections ... for 4.6% of new infections ... HIV • Recent infection ... inhibitors • Injection ... #Diagnosis #Management
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... spp, Atypical infection ... +/- High res CT ... Fungal, AFB), TB ... #Infections #HIVAIDS
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... • Abnormal CXR ... carcinoma of head/neck/lung ... Underweight • Injection ... SkinTest #TST #diagnosis
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... spread of MTB infection ... Devpriyo Pal @drdevrad ... #TB #Patterns # ... #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... seen • Chest CT ... #Abscess #pulmonary ... #treatment #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Recurrent infection ... Hypersensitivity: ABPA • Infection ... : TB, NTM, PNA ... • Superimposed infection ... airway • Treating infections
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... Nocardia, zoonotic infections ... #pulmonary #CXR ... #clinical #CT
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... tissue damage - CXR ... involvement - CT ... #Diagnosis #Management
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Metastases, Miliary Infection ... (TB, Fungal) ... Sarcoidosis, NSIP, COP, Infection ... Bronchiectasis: Prior Infection ... #pulmonary #radiology