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Actinomycetes

Actinomycetes. Page 6. Actinomycetes (order). Three genera Actinomyces species Nocardia species Streptomyces species. Gram Positive Filamentous Bacteria. Actinomycosis.

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Actinomycetes

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  1. Actinomycetes Page 6

  2. Actinomycetes (order) Three genera • Actinomyces species • Nocardia species • Streptomyces species

  3. Gram Positive Filamentous Bacteria

  4. Actinomycosis A chronic suppurative and granulomatous disease of the cervico-facial, thoracic or abdominal areas

  5. Actinomycosis Actinomyces israelii

  6. Ecological Niche Actinomyces Endogenous (man and animals)

  7. CLINICAL SPECIMENSActinomyces • Pus

  8. Sulphur granules

  9. Drug of Choice Penicillin (large doses)

  10. Serological Test • None available

  11. Nocardiosis • Subcutaneous infections, pulmonary infections, and brain abscesses

  12. Ecological Association Soil Endogenous ?

  13. Geographic Distribution • World wide

  14. Nocardiosis • N. asteroides – Pulmonary • N. brasiliensis - Abscesses

  15. Clinical Specimens • Sputum • Pus • Biopsy tissue

  16. Serological Test • None available

  17. Drug of Choice Sulfamethoxazole-Trimethoprim

  18. STREPTOMYCOSIS Streptomyces species

  19. Mycetoma Streptomyces species

  20. Ecological Association Soil

  21. Streptomyces may invade bone

  22. Clinical specimens Pus Biopsy material

  23. Serological Test None available

  24. Treatment • Surgical debridement • Sulfa drugs • Amphotericin B

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