12 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
tuberculosis (LTBI) Pathophysiology ... regional lymph nodes ... pneumothorax, bronchiectasis ... 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
tuberculosis (LTBI) Pathophysiology ... regional lymph nodes ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... Nasal polyps and signs ... centrilobular nodules ... in the adjacent lung ... of the affected lung
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... symptoms of active pulmonary ... decreased reflexes Pathophysiology ... tissue damage - CXR
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
-> Rheumatoid Nodules ... pleural effusion on CXR ... disease/pulmonary ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Abscess Pathophysiology ... Blood cultures • CXR ... early disease) • CXR ... westermani • Other: TB ... #Abscess #pulmonary
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... lower to the upper lobes ... In these cases comparison ... Clinical #Radiology #CXR
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... Centrilobular nodules ... - Bronchiectasis ... Kansasii: • Mimics TB ... complicate MAC pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... , erythematous nodules ... infiltrates, mimicking TB ... nodules possible ... Infections #HIV #AIDS #pulmonary
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... granulomas within the lungs ... e.g. incidental CXR ... Pulmonary: dyspnea ... Diagnosis #Management #Signs