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Ulcerative/Erosive Skin Lesions Ulcers and Erosions (Cutaneous), Distribution 1289

Ulcerative/Erosive Skin Lesions
VetBooks.ir Differential Diagnosis of Ulcers and Erosions Affecting Skin and Mucous Membranes

Canine Diseases Thermal injury (freeze or burn) Bacterial:
Infectious Urine scald Atypical mycobacteriosis
Bacterial pyoderma: Immune Mediated/Autoimmune Fungal:
Surface: Discoid lupus erythematosus Subcutaneous mycoses (e.g., sporotrichosis)
Acute moist dermatitis (pyotraumatic Vesicular cutaneous lupus erythematosus Systemic mycoses (e.g., cryptococcosis)
dermatitis) Pemphigus group Metabolic
Intertrigo Uveodermatologic syndrome Uremia/renal disease
Deep: Perianal fistulae
Folliculitis/furunculosis (including Miscellaneous autoimmune subepidermal Neoplastic
pyotraumatic folliculitis) vesiculobullous diseases: Fibrosarcoma
Oral bacterial infections (aerobic/ Bullous pemphigoid Lymphoma
anaerobic) Epidermolysis bullosa acquisita Squamous cell carcinoma
Fungal: Linear immunoglobulin A (IgA) bullous Physical/Chemical
Yeast infections (Malassezia pachydermatis, disease Drug reactions
Candida spp) Mucocutaneous pemphigoid Thermal injury (burn or frostbite)
Systemic/subcutaneous Bullous systemic lupus type 1 Immune Mediated/Autoimmune
Parasitic: Bullous pemphigoid
Demodicosis Miscellaneous Pemphigus foliaceus
Metabolic Arthropod bites Toxic epidermal necrolysis/erythema multiforme
Urine scald
Calcinosis cutis (hyperadrenocorticism) Dermatomyositis Miscellaneous/Idiopathic
Uremia/renal failure Dystrophic epidermolysis bullosa Arthropod bites
Necrolytic migratory erythema/metabolic Junctional epidermolysis bullosa Dystrophic epidermolysis bullosa
epidermal necrosis/hepatocutaneous Toxic epidermal necrolysis/erythema multiforme Eosinophilic plaque
syndrome Acral mutilation syndrome (French spaniel, Idiopathic ulceration of dorsal neck Differentials, Lists, and Mnemonics
Neoplastic German and English pointers) Indolent ulcer
Epitheliotropic lymphoma Cutaneous asthenia (Ehlers-Danlos syndrome) Junctional epidermolysis bullosa
Squamous cell carcinoma Feline Diseases Skin fragility syndrome
Physical, Chemical Infectious Cutaneous asthenia (Ehlers-Danlos syndrome)
Drug reactions Viral:
Solar injury Calicivirus and herpesvirus
Modified from Ettinger S, Feldman E: Textbook of veterinary internal medicine, ed 7, St. Louis, 2010, Saunders.

Ulcers and Erosions (Cutaneous), Distribution

Distribution of Ulcers and Erosions as a Diagnostic Clue
Axillary/Inguinal Deep pyoderma (D) Pemphigus vulgaris (D)
Fungal (Malassezia pachydermatis, Candida Demodicosis (D) Toxic epidermal necrosis/erythema multiforme
spp) (D) Dermatomyositis (D) (D, C)
Vesicular cutaneous lupus erythematosus (D) Discoid lupus erythematosus (D) Uremia (D, C)
Intertrigo (D) Linear immunoglobulin A (IgA) bullous disease (D) Viral infection (calicivirus/herpesvirus) (C)
Urine scald (D) Pemphigus foliaceus/erythematosus (D, C) Generalized/Extensive
Focal/Multifocal Solar injury (D, C) Bullous pemphigoid (D)
Calcinosis cutis (D) Squamous cell carcinoma (C) Deep pyoderma (D)
Demodicosis (D) Systemic/subcutaneous mycosis (D, C) Demodicosis (D)
Eosinophilic plaque (C) Uveodermatologic syndrome (D) Drug reaction (D, C)
Indolent ulcer (C) Mucocutaneous Epitheliotropic lymphoma (D)
Intertrigo (D) Bacteria (aerobic/anaerobic) (D, C) Malassezia dermatitis (D)
Neoplasia (D, C) Bullous pemphigoid (D, C) Pemphigus group (D, C)
Pyoderma (principally pyotraumatic dermatitis or Bullous systemic lupus type 1 Thermal injury (D, C)
folliculitis) (D) Epidermolysis bullosa acquisita (D) Toxic epidermal necrolysis/erythema multiforme
Systemic/subcutaneous mycosis (D, C) Epitheliotropic lymphoma (D) (D, C)
Facial Fungal (M. pachydermatis, Candida spp) (D)
Arthropod bites (D, C) Mucocutaneous pyoderma (D)
Bullous pemphigoid (D, C) Mucocutaneous pemphigoid (D)
C, Cat; D, dog.
Modified from Ettinger S, Feldman E: Textbook of veterinary internal medicine, ed 7, St. Louis, 2010, Saunders.

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