10 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... westermani • Other: TB ... Abscess Differential
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 ... abscess Primary ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
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 ... abscess Primary ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... causes #radiology #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
stroke Tuberculous Abscess ... : • More bacilli ... with pulmonary TB ... Tuberculosis #diagnosis #differential ... #TB #neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
- M. abscessus ... chelonae • M abscessus ... Kansasii: • Mimics TB ... • Dyspnea, • Chest ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... in the adjacent lung ... of the affected lung ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
(<100), except TB ... osteomyelitis, cutaneous abscesses ... • Leprosy • Bacillus ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
virulent pyogenic infections ... an abscess may ... the consolidated lung ... like TB, cavities ... one month after treatment
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
aches, joint pain, chest ... by culture or serology ... Sinusitis • Brain abscess ... change in the lungs ... nails, bronchi, lungs