11 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
affecting the lungs ... • Progressive lung ... pneumothorax, bronchiectasis ... Diagnosis: Latent ... #TB #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
affecting the lungs ... • Progressive lung ... pneumothorax, bronchiectasis ... Diagnosis: Latent ... #TB #Diagnosis
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... Nocardia spp., Mycobacterium ... ID_fellows #HIVAIDS ... #differential #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
tuberculosis complex ... status NTM Cause ... Centrilobular nodules - Bronchiectasis ... Kansasii: • Mimics TB ... • Microbiologic
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 ... parenchyma Diagnosis ... Nontuberculous mycobacteria
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... tuberculosis, Bacterial ... avium, Mycobacterium ... infiltrates, mimicking TB ... #differential #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
200: CMV, HSV Mycobacterial ... failure, COPD, Lung ... Fungal, AFB), TB ... Pulmonary #Infections #HIVAIDS ... #workup #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... Bacterial • Tuberculosis ... #causes #radiology ... #neurology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
occurring later) - Mycobacterium ... tuberculosis - ... - small cell lung ... #Differential #Diagnosis ... #Causes #Neurology
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... pneumonia, • Bronchiectasis ... : • Mycobacterium ... Tuberculosis ... Noninfectious Causes