7 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
90%) & develop latent ... Latent: Asymptomatic ... Can involve any ... TB - Only latent ... #LatentTB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
90%) & develop latent ... Latent: Asymptomatic ... Can involve any ... TB - Only latent ... #LatentTB
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
with PMH of latent ... TB s/p treatment ... Labeled CXR: ... #Cavitary #CXR ... ChestXRay #Clinical #Pulmonary
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 ... We can assume that ... reactivation of a latent ... #Active #SecondaryTB
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing LATENT ... when an asymptomatic ... used to exclude pulmonary ... #Latent #Active ... #LatentTB #ActiveTB
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 ... active disease ... Clinical #Radiology #CXR
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
and clinically active ... reactivation of the latent ... On the CXR it is ... with cavitaty formation ... the left upper lobe