Page 2786 - Cote clinical veterinary advisor dogs and cats 4th

1452 Ulcerative and Erosive Dermatoses

Ulcerative and Erosive Dermatoses
VetBooks.ir

Self-induced
History and physical examination (consider pruritus,
psychogenic
dermatoses, and
neuropathies)

Skin lesions only Skin and Mucosa lesions only
(no mucosa involved) Snakebite, mucosa lesions (no skin involved)
pressure sore,
frostbite
• Skin scrapings Cytologic • CBC/biochemistry panel
• Cytologic examination No specific examination • Urinalysis
findings

Fungal organisms
(candidiasis) Uremia
Ectoparasites
(demodicosis, flea bite Fungal (fungal-like) organisms
hypersensitivity [HS], (blastomycosis, cryptococcosis,
mosquito HS) coccidioidomycosis, histoplasmosis, Bacteria, No specific
sporotrichosis, dermatophyte neutrophils findings
granuloma, pseudomycetoma, (mucocutaneous
phaeohyphomycosis, zygomycosis, pyoderma)
protothecosis, pythiosis)
• Intradermal testing Aspergillosis,
• Response to anti- neoplasia
parasitic treatment
• Biopsy
• Fungal culture • Biopsy
• Serology • Fungal culture
• Imaging No specific
Eosinophils findings
(parasitic diseases, deep
pyoderma, feline
eosinophilic plaque)
FeLV, feline cowpox, Rocky Mountain spotted fever,
leishmaniasis, superficial necrolytic dermatitis
calcinosis cutis, (hepatocutaneous syndrome)
cryoglobulinemia
• Biopsy
• Bacterial culture

• CBC/biochemistry
• CBC/biochemistry panel
panel • Serology
Acantholytic • Serology • Imaging
keratinocytes • Culture • Biopsy
(pemphigus foliaceus/ • Endocrine testing
erythematosus) • Viral isolation
• Coombs’ test
• PCR

• Biopsy
• Immunofluorescence/ Feline plasma cell pododermatitis,
immunohistochemistry feline ulcerative dermatitis with linear Bullous pemphigoid, epidermolysis bullosa,
subepidermal fibrosis, idiopathic facial pemphigus vulgaris, erythema multiforme, toxic
dermatitis of Persian and Himalayan epidermal necrolysis, adverse drug reaction,
cats, aplasia cutis, thermal/solar vasculitis, canine familial dermatomyositis,
Bacteria, neutrophils, yeasts burns, neoplasia cutaneous or systemic lupus erythematosus,
(pyotraumatic dermatitis, intertrigo, feline calicivirus and herpesvirus, electric/
deep pyoderma) chemical burns, neoplasia
• Biopsy
• CBC/biochemistry panel/UA

CBC, Complete blood count; FeLV, feline leukemia virus;
PCR, polymerase chain reaction; UA, urinalysis. EDITED BY: Leah A. Cohn, DVM, PhD, DACVIM
Dashed lines indicate diagnostic procedures. ORIGINALLY WRITTEN BY: Frédéric Sauvé, DMV, MSc, DACVD
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