9 results
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 ... #Cavitary #TractionBronchiectasis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary ... Progression: • Upper lobe ... characteristic features Clinical ... Tuberculin skin test ... Active TB: •
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... PMH of latent TB ... original CXR Labeled ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary ... Progression: • Upper lobe ... characteristic features Clinical ... Tuberculin skin test ... Active TB: •
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... result with no clinical ... IGRA/QuantiFERON-TB ... used to exclude pulmonary ... Diagnosis #Workup #TB
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 ... pus within the cavity ... #Clinical #Radiology
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
clinically silent ... active disease ... with cavitaty formation ... the left upper lobe ... #Cavitary #SecondaryTB
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 ... #Clinical #Radiology ... #Active #SecondaryTB ... #Cavitary #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

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