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
Active TB: • ... skin test (TST) ... TB - Only latent ... Active TB: • ... TB with TST or
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • ... skin test (TST) ... TB - Only latent ... Active TB: • ... TB with TST or
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
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... man with PMH of latent ... TB s/p treatment ... original CXR Labeled ... ChestXRay #Clinical #Pulmonary
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing LATENT ... TB • LTBI is diagnosed ... used to exclude pulmonary ... #Latent #Active ... #LatentTB #ActiveTB
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
Cavity in the right ... reactivation of a latent ... TB. ... #Active #SecondaryTB ... #Cavitary #RadiologyAssistant
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