13 results
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
CAVITY – a useful ... mnemonic for the causes ... embolus I = infection ... (TB, fungal, staph ... bronchogenic cyst #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
infectionPulmonary ... Progression: • Upper lobe ... Tuberculosis Diagnosis ... Active TB: • ... #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
infectionPulmonary ... Progression: • Upper lobe ... Tuberculosis Diagnosis ... Active TB: • ... #Diagnosis #Management
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... • LTBI is diagnosed ... infection in patients ... IGRA/QuantiFERON-TB ... used to exclude pulmonary
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... pulmonary disease ... resembling TB. ... a patient with active ... upper lobes due to infection
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... : TB, NTM, PNA ... parenchyma Diagnosis ... #differential #diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Immunodeficiency 3) Infection ... (Bacterial, TB, ... Bronchiectasis #pulmonary ... #diagnosis #differential ... #causes
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... pp65 antigenemia test ... Retinitis (Most common cause ... Pancreatitis • Pulmonary ... association with PJP/TB
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... • Nodular or cavitary ... of right middle lobe ... Kansasii: • Mimics TB ... with: Cavitary
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... - Dyspnea at rest ... the right middle lobe ... hemorrhage, and seizure activity ... #differential #diagnosis