6,502
edits
Changes
Jump to navigation
Jump to search
→Description
==Description==
==Description==
*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
*Occurs in cats and dogs mainly
*Occurs in cats and dogs mainly
*Irritation caused by enzymes, anticoagulants and histamine-like substances
*Irritation caused by enzymes, anticoagulants and histamine-like substances
*Mainly dorsolumbosacral area involved, abdomen, caudomedial thighs, flanks, neck of cats
*Mainly dorsolumbosacral area involved, abdomen, caudomedial thighs, flanks, neck of cats
*Secondary trauma is self-inflicted
*Secondary trauma is self-inflicted
*Grossly:
*G
==Signalment==
==Signalment==