Parasitic skin infections - Pathology

From WikiVet English
Jump to navigation Jump to search
WikiPathWikiPath Banner.png
()Map INTEGUMENTARY SYSTEM (Map)
SKIN INFECTIOUS



Flea Dermatosis

Fly Dermatosis

Myiasis

Helminths

Habronemiasis, Cutaneous

Hookworm Dermatosis

Onchocerciasis

Stephanofilariasis

Lice

Pediculosis

Mites

Cheyletiellosis

Chorioptic Mange

Demodicosis

Notoedric mites

Otodectic Dermatosis

Psoroptic Mange

Scabies

Trombiculidiasis

Protozoal Dermatosis

Ticks

  • 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