15 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
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... characteristic features Clinical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... characteristic features Clinical
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... Air-Fluid Level on Chest ... man with PMH of latent ... TB s/p treatment ... #ChestXRay #Clinical
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
#Clinical #Radiology ... #Pulmonary #CTChest ... #Tuberculosis #TB ... #SecondaryTB #Cavitary
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
in the proper clinical ... densities iin the left lung ... cavitation in the right lung ... #Clinical #Radiology ... #SepticEmboli #Cavity
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 ... with cavitaty formation ... #Cavitary #SecondaryTB
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. ... #Clinical #Radiology ... #SecondaryTB #Cavitary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... disease: Pleuritic chest ... level seen • Chest ... treatment until the chest ... westermani • Other: TB
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... coughed up, a cavity ... infection like TB ... #Clinical #Radiology ... #CXR #CTChest #
Nontuberculous Mycobacteria (NTM) Infections 

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