Mycobateria

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Author:
jcu1
ID:
204689
Filename:
Mycobateria
Updated:
2013-03-05 00:56:27
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ID exam
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Multiple professors
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  1. Non-Runyon group
    • M. tuberculosis
    • M. lepae
  2. Runyon group I
    • M. kansasii
    • slow-growing photochromogens
  3. Runyon group III
    M. avium complex

    slow-growing nonchromogens
  4. Runyon group IV
    • M. abscessus
    • M. chelonae
    • M. fortuitum

    • rapid growers
    • cause skin and soft tissue/lung infections
  5. Runyon Group II
    slow-growing scotochromogens
  6. Tuberculoid leprosy skin lesions
    few raised hypopigmented patches with flat centers
  7. tuberculoid leprosy nerve involvement
    • peripheral
    • complete sensory loss
    • nerve enlargement
  8. tuberculoid leprosy histopathology
    • lymphocytes around center of epithelial cells
    • langhans cells
    • few/no acid fast rods
  9. tuberculoid leprosy infectivity
    low
  10. tuberculoid leprosy immune response
    • reactive to lepromin
    • normal immunoglobulin levels
  11. tubercuoid leprosy erythema nodosum
    absent
  12. lepromatous leprosy skin lesions
    • many macules, papules, nodules
    • tissue destruction
  13. lepromatous leprosy nerve involvement
    • diffuse
    • patchy sensory loss
    • no nerve enlargement
  14. lepromatous leprosy histopathology
    • foamy macrophages
    • no langhan cells
    • numerous acid-fast rods in skin lesions and internal organs
  15. lepromatous leprosy infectivity
    high
  16. lepromatous leprosy immune response
    • nonreactive to lepromin
    • hypergammaglobulinemia
  17. lepromatous leprosy erythema nodosum
    usually present

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