Difference between revisions of "Culicoides Hypersensitivity"
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(Created page with '*Usually involves Type I reaction and Type IV reaction due to salivary antig…') |
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| + | Also known as '''Sweet Itch''' | ||
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*Usually involves [[Skin Immunologic - Pathology#Type I reactions|Type I reaction]] and [[Skin Immunologic - Pathology#Type IV reactions|Type IV reaction]] due to salivary antigens of ''Culicoides'' sp. | *Usually involves [[Skin Immunologic - Pathology#Type I reactions|Type I reaction]] and [[Skin Immunologic - Pathology#Type IV reactions|Type IV reaction]] due to salivary antigens of ''Culicoides'' sp. | ||
*May be seasonally recurring or continuous depending on climate | *May be seasonally recurring or continuous depending on climate | ||
Revision as of 14:55, 10 August 2010
Also known as Sweet Itch
- Usually involves Type I reaction and Type IV reaction due to salivary antigens of Culicoides sp.
- May be seasonally recurring or continuous depending on climate
- Grossly:
- Papules, crusts, alopecia, excoriations, lichenification
- Microscopically:
- Superficial and dep perivascular dermatitis
- Many eosinophils
- Epidermal hyperplasia
- Hyperkeratosis
- Dermal fibrosis
- Possibly eosinophilic folliculitis, intraepidermal pustules and eosinophilic granulomas