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
Risk Factors For Active ... Active: Symptomatic ... Active TB: • ... assessing for active ... Active TB: •
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Risk Factors For Active ... Active: Symptomatic ... Active TB: • ... assessing for active ... Active TB: •
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
the left upper lobe ... Clinical #Radiology #Pulmonary ... #Tuberculosis #TB ... #Active #SecondaryTB ... #Cavitary #TractionBronchiectasis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... manifestations of active ... of developing active ... #Workup #TB #Latent ... #Active #LatentTB
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
TB This patient ... Cavity in the right ... reactivation of a latent ... CXR some years later ... #Active #SecondaryTB
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... disease resembling TB ... Here a patient with ... active disease ... pus within the cavity
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
and clinically active ... reactivation of the latent ... with cavitaty formation ... the left upper lobe ... #Cavitary #SecondaryTB
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... appearance in a patient ... with active TB. ... #Clinical #Diagnosis ... #Radiology #Pulmonary
IDSA Recommendations for Treating Mycobacterium Tuberculosis Infection and Disease in HIV-AIDS
Treating LTBI (to prevent TB disease)
Indications:
no evidence of active ... treatment for active ... or latent TB ... authorities Treating Active ... and molecular diagnostic
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Lungs: • 90% of patient ... • Nodular or cavitary ... of right middle lobe ... Kansasii: • Mimics TB ... with: Cavitary