Difference between revisions of "Flea Bite Hypersensitivity"
Jump to navigation
Jump to search
(Redirected page to Flea Allergic Dermatitis) |
(Created page with '*Usually involves Type I reaction and Type IV reaction and cutaneous basophil…') |
||
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
| − | # | + | *Usually involves [[Skin Immunologic - Pathology#Type I reactions|Type I reaction]] and [[Skin Immunologic - Pathology#Type IV reactions|Type IV reaction]] and cutaneous basophil hypersensitivity |
| + | *Mainly dorsolumbosacral area involved, abdomen, caudomedial thighs, flanks, neck of cats | ||
| + | *Secondary trauma is self-inflicted | ||
| + | *Grossly: | ||
| + | **Papular dermatitis | ||
| + | **Secondary excoriations | ||
| + | **Alopecic nodule if chronic | ||
| + | *Microscopically: | ||
| + | **Hyperplastic superficial perivascular dermatitis | ||
| + | **Oedema, [[Mast Cells|mast cells]], [[Basophils|basophils]], [[Eosinophils|eosinophils]], [[Lymphocytes|lymphocytes]], histiocytes | ||
| + | **Fibropruritic nodules covered by hyperplastic epidermis | ||
Revision as of 10:16, 30 June 2010
- Usually involves Type I reaction and Type IV reaction and cutaneous basophil hypersensitivity
- Mainly dorsolumbosacral area involved, abdomen, caudomedial thighs, flanks, neck of cats
- Secondary trauma is self-inflicted
- Grossly:
- Papular dermatitis
- Secondary excoriations
- Alopecic nodule if chronic
- Microscopically:
- Hyperplastic superficial perivascular dermatitis
- Oedema, mast cells, basophils, eosinophils, lymphocytes, histiocytes
- Fibropruritic nodules covered by hyperplastic epidermis