Actinomyces: Difference between revisions

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Actinomyces
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== Management ==
 
== Management ==
   
* IV penicillin x4-6 weeks then PO penicillin x6-12 months
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* IV [[penicillin]] x4-6 weeks then PO [[penicillin]] x6-12 months
* Alternatives include ceftriaxone, amox/clav
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* Alternatives include [[ceftriaxone]], amox/clav
   
 
{{DISPLAYTITLE:''Actinomyces'' species}}
 
{{DISPLAYTITLE:''Actinomyces'' species}}

Revision as of 08:11, 16 August 2019

Microbiology

  • Weakly Gram-positive bacterium that looks fungal under microscopy
  • Oral and gut flora
  • Spreads by direct invasion through tissue and creating fistulae

Syndromes

Cervicofacial actinomycosis

  • "Lumpy jaw syndrome" with painless jaw mass, trismus, and eventually pain
  • Most common form, accounting for ~50% of cases

Abdominal actinomycosis

  • Presents as an abdominal mass that fistulizes to skin

Pulmonary actinomycosis

  • Presents as a chronic, non-resolving pneumonia or as a lung cancer
  • Can spread directly to involve heart as well

Others

  • Endocarditis

Management