17 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 ... TB: • Tuberculin ... and Culture • CXR ... Treatment: Active ... disease • Check CXR
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 ... TB: • Tuberculin ... and Culture • CXR ... Treatment: Active ... disease • Check CXR
Identify a Positive Tuberculosis (TB) Skin Test
#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters
Identify a Positive Tuberculosis ... (TB) Skin Test ... #Diagnosis #Tuberculosis ... #LatentTB #Tuberculin
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
LATENT TB • ... result with no clinical ... interpreted Tuberculin ... #Latent #Active ... #LatentTB #ActiveTB
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Tuberculin Skin ... Threshold for treatment ... • Abnormal CXR ... consistent with old TB ... individuals #Tuberculosis
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in Tuberculosis ... extrapulmonary cases Clinical ... Mycobacterium tuberculosis ... tissue damage - CXR ... Potts #Disease #Tuberculosis
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... drdevrad #Pulmonary #Tuberculosis ... #TB #Patterns # ... chest #xray #clinical ... #radiology #CXR
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
man with PMH of latent ... TB s/p treatment ... is his original CXR ... Labeled CXR: ... #ChestXRay #Clinical
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
clinically silent ... inadequate and clinically ... reactivation of the latent ... On the CXR it is ... #CXR #Tuberculosis
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
first with the CXR ... reactivation of a latent ... A CXR some years ... #Clinical #Radiology ... #CXR #Tuberculosis