63 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
Mycobacteria Species: • Mycobacterium ... tuberculosis • Mycobacterium ... africanum • Mycobacterium ... infected with Mycobacterium ... affecting the lungs
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Infections • Mycobacterium ... most likely to cause ... with underlying lung ... mortality • Mycobacterium ... It can also cause
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Mycobacteria Species: • Mycobacterium ... tuberculosis • Mycobacterium ... africanum • Mycobacterium ... infected with Mycobacterium ... affecting the lungs
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... pulmonary abscess (TB ... #Differential #Lung
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... disease resembling TB ... with atypical mycobacterium
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Typically from TB ... patients with TB ... extrapulmonary cases ... active pulmonary TB ... Pathophysiology: - Mycobacterium
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CD4 Count: • Mycobacterium ... Coccidioidomycosis, CMV, Mycobacterium ... avium, Mycobacterium ... factor • May cause ... infiltrates, mimicking TB
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
segment or lobe of lung ... involving both lungs ... WHAT ARE COMMON CAUSES ... Infection (Bacterial, TB ... #differential #causes
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
• Infection: TB ... westermani, PNA, Lung ... Diagnosis #pulmonary #causes
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... • Bacterial: Mycobacterium ... - Metastatic: Lung ... Differential #Diagnosis #Causes