「Dermatological mycobacterium infecions」の版間の差分

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*specific patient background
 
*specific patient background
 
**occupation, living place, triggering event
 
**occupation, living place, triggering event
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 +
==leprosy==
  
 
==cutaneous TB==
 
==cutaneous TB==
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**Bazin erythema
 
**Bazin erythema
 
***usually localized to lower legs
 
***usually localized to lower legs
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 +
===treatment===
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*same as of systemic tuberculosis
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 +
==skin NTM==

2021年4月22日 (木) 09:25時点における版

skin mycobacterial diseases

  • leprosy
    • only in human
  • cutaneous TB
    • only in human
  • non-TB mycobacterium (NTM)
    • water-borne
    • M. ulcerans = Buruli ulcer
    • M. chelonae
    • M. marinum - highest incidence
    • M. avium - long-maintained hot bath

when to suspect

  • skin symptoms without inflammatory sings (pain, swelling, redness)
  • slow progression
  • specific patient background
    • occupation, living place, triggering event

leprosy

cutaneous TB

  • estimated 1-2% of all TB patients
  • diverse range of symptoms

route of transmission

  • exogenous inoculation
    • ulcer,
    • tuberculosis verrucosa cutis, warty tuberculosis
    • orificial tuberculosis - direct contact of M.t. contained in sputum from pulmonary TB
  • endogenous spread from internal TB
    • abscess,
    • scrofuloderma - emerged from lymphadenitis
  • hematogenous
    • nodule, abscess, patch
    • as part of miliary tuberculosis
    • immunocompromised host, children
  • tuberculid - allergic reaction against M. tuberculosis
    • erythema, papule
    • in immunocompetent patient
    • skin biopsy of the eruption shows no bacteria
    • strong positivity of Mantoux test
    • Bazin erythema
      • usually localized to lower legs

treatment

  • same as of systemic tuberculosis

skin NTM