Lymphadenitis, tuberculous
Mycobacterium tuberculosis

Mycobacterium tuberculosis

Precautions

Airborne Precautions (N95)

Susceptibilities

General Information

Acid fast bacillus.

Latent disease is believed to affect >20% of world population.

Prevalence is higher in developing nations and mimics HIV/AIDS distribution. The greatest risk factor for progression of latent infection to active TB is HIV infection.

Pulmonary:

  • Cavitating pneumonia
  • Upper lobe pneumonia
  • Occasionally miliary

Extrapulmonary:

  • Lymph node disease
  • CNS infection
  • Osteomyelitis (Potts)
  • Peritoneal
  • Others

Airborne precautions for pulmonary disease.

Caseating granulomas on pathology.

MDR includes rifampin and isoniazid resistance.