9 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: • ... : Latent TB: • ... TB - Only latent ... Active TB: •
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 ... TractionBronchiectasis #RadiologyAssistant
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: • ... : Latent TB: • ... TB - Only latent ... Active TB: •
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... result with no clinical ... used to exclude pulmonary ... #Workup #TB #Latent ... #Active #LatentTB
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
a patient with active ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
reactivation of a latent ... TB. ... #Clinical #Radiology ... #Active #SecondaryTB ... #Cavitary #RadiologyAssistant
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
clinically silent ... active disease ... reactivation of the latent ... the left upper lobe ... #SecondaryTB #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... demarcated secondary lobeles ... #Clinical #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
IDSA Recommendations for Treating Mycobacterium Tuberculosis Infection and Disease in HIV-AIDS
Treating LTBI (to prevent TB disease)
Indications:
no evidence of active ... or latent TB ... and molecular diagnostic ... HIV-infected persons with clinical ... Please refer to the table