Tick Dermatosis
Revision as of 10:46, 30 June 2010 by Bara (talk | contribs) (Created page with '*Local reaction depends on host hypersensitivity and tick's secretions *Grossly: **Focal erosions, erythema, crusted ulcers, sometimes alopecia and nodules *Microscopic…')
- Local reaction depends on host hypersensitivity and tick's secretions
- Grossly:
- Focal erosions, erythema, crusted ulcers, sometimes alopecia and nodules
- Microscopically:
- Epidermal and dermal necrosis
- Perivascular of diffuse inflammation and necrotic margins
- Eosinophils, macrophages and lymphocytes in exudate
- May form granulomas containing collagenous fibres and lymphoid follicles within dermis