12 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
characteristic features Clinical ... Active TB: • ... Active TB: • ... : Active TB: • ... #ActiveTB #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
characteristic features Clinical ... Active TB: • ... Active TB: • ... : Active TB: • ... #ActiveTB #LatentTB
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
#Clinical #Radiology ... #Pulmonary #CTChest ... #Tuberculosis #TB ... #Active #SecondaryTB ... #RadiologyAssistant
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... used to exclude pulmonary ... Testing #Diagnosis #Workup ... #TB #Latent #Active ... #LatentTB #ActiveTB
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... disease resembling TB ... a patient with active ... #Clinical #Radiology ... AirFluidLevel #RadiologyAssistant
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 ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
active disease ... reactivation of the latent ... #Clinical #Radiology ... #Cavitary #SecondaryTB ... #RadiologyAssistant
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 ... #Clinical #Radiology ... #Active #SecondaryTB ... #Cavitary #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
a patient with active ... TB. 7. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
IDSA Recommendations for Treating Mycobacterium Tuberculosis Infection and Disease in HIV-AIDS
Treating LTBI (to prevent TB disease)
Indications:
(+) screening test ... no evidence of active ... for active or latent ... regardless of screening test ... HIV-infected persons with clinical