76 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 ... • Progressive lung ... and Culture • CXR ... 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
Droplets that contain bacilli ... affecting the lungs ... • Progressive lung ... and Culture • CXR ... disease • Check CXR
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Typically from TB ... patients with TB ... active pulmonary TB ... - Spread of bacilli ... tissue damage - CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
disease: Pleuritic chest ... Blood cultures • CXR ... early disease) • CXR ... level seen • Chest ... westermani • Other: TB
Cicacitration atelectasis
Atelectasis can be the result of fibrosis of lungtissue.
This is seen after radiotherapy and in
infection, especially TB ... density of the lung ... Clinical #Radiology #CXR
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
individual with active TB ... • Abnormal CXR ... consistent with old TB ... carcinoma of head/neck/lung
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... History of cancer, lung
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... densities iin the left lung ... cavitation in the right lung ... Clinical #Radiology #CXR ... #CTChest #Septic
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Air-Fluid Level on Chest ... PMH of latent TB ... and pleuritic chest ... is his original CXR ... Labeled CXR:
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
#Tuberculosis #TB ... #Patterns #chest ... clinical #radiology #CXR