Difference between revisions of "Tick Dermatosis"
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**May form granulomas containing collagenous fibres and lymphoid follicles within dermis | **May form granulomas containing collagenous fibres and lymphoid follicles within dermis | ||
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| + | [[Category:Integumentary System - Parasitic Infections]] | ||
[[Category:To_Do_-_Clinical]] | [[Category:To_Do_-_Clinical]] | ||
Latest revision as of 14:49, 22 February 2011
- 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