「Dermatological mycobacterium infecions」の版間の差分
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| 35行目: | 35行目: | ||
*tuberculid - allergic reaction against ''M. tuberculosis'' | *tuberculid - allergic reaction against ''M. tuberculosis'' | ||
**erythema, papule | **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 | ||
2021年4月22日 (木) 09:19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
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
