49 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
mycobacterial infection (NTM ... emboli • Lung abscess ... and Culture • CXR ... Tuberculosis Treatment ... 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
mycobacterial infection (NTM ... emboli • Lung abscess ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... with atypical mycobacterium ... Clinical #Radiology #CXR ... #Mycobacteria #NTM
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Infections • Mycobacterium ... abscessus - Is ... likely to cause pulmonary ... mortality • Mycobacterium ... infectiousdiseases #NTM
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
abscessus, chelonae ... marinum, kansasii PULMONARY ... avium complex, abscessus ... abscessus, chelonae ... abscessus, chelonae
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... , hemoptysis Treatment ... meropenem) #Lung #Abscess ... #Diagnosis #Pulmonary ... #Clinical #CXR
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
belonging to the Mycobacterium ... Illnesses: • Pulmonary ... : • M abscessus ... complicate MAC pulmonary ... Pulmonary Disease
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... hemorrhage • Treatment ... several months of treatment ... #pulmonary #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Infectious - Mycobacterium ... Tuberculosis, NTB ... differential #diagnosis #pulmonary ... #CXR #clinical
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Infections: Lung abscess ... Infections: TB, NTB ... Algorithm #lesion #pulmonary