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80 Cards in this Set
- Front
- Back
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Suppurative epidermitis from S. hyicus |
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Staph. aureus |
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Mucocutaneous pyoderma Bacterial infection where the floppy lips are chronically wet, since this is the place susceptible to trauma and therefore bacteria can enter |
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Dermatophillus dermatitis due to D. congolensis bacteria. Affects cattle, sheep, and horses. Aka. rain scald. |
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Trichophyton equinum in a horse. Fungal infection of tissue causing dermatophytosis. Recall: dermatophytosis is due to either Microsporum or Trichophyton species |
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Trichophyton verrucosum |
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Malassezia pachydermatis. A fungal infection that affect the external ear canal and skin |
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Candidiasis in a horse. A normal fungus in the GI and skin that can overgrow when the animal is immunocompromised. Targets mucous membranes and mucocutaneous junctions |
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Generalized demodecosis due to Demodex canis. Occurs in young or immunosuppressed animals |
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Demodex canis |
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Sarcoptic mange |
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Sarcoptes scabei. This is a highly contagious mite that burrows deep in the skin (stratum corneum) and causes intense pruritic excoriations (hypersensitivity) |
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Notoedres cati. Affects cats and rabbits |
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Bovine chorioptic mange |
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Flea hypersensitivity. Caused by Ctenophalides felis or C. canis. Causes types 1 and 4 hypersensitivity |
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Queensland itch. Type 1 and 4 hypersensitivity to Culicoides (sandflies) Other biting flies include Haematobia irritans (hornfly), Stomoxys calcitrans (stable fly), horse flies, and black flies |
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Myiasis. An infection from the larvae of dipterous flies. |
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Mosquito bite hypersensitivity |
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Lumpy skin disease due to capripoxvirus |
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Contagious pustular dermatitis (orf). Due to parapoxvirus |
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Feline herpesviral conjunctivitis and rhinitis. (FHV1) |
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Picornovirus causing swine vesicular disease |
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Picornovirus causing foot and mouth disease |
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Thermal burn from heating pad |
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Irritant contact dermatitis |
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Skin infarction from Erysipelas |
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Pemphigus foliaceus. Common and mild. Superficial vesicles that become pustules |
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Bullous pemphigus. Separation of basal layer from basement membrane, thereby creating vesicles and ulcers |
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Leukotrichosis due to copper deficiency |
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Photosensitization. 3 types: 1. Photodynamic substance (from plants or drugs) 2. Abnormal porphyrin metabolism 3. Hepatogenous (impaired liver can't properly excrete phylloerythrin) |
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Ichthyosis (congenital increased adherence of keratinocytes) |
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Nutritional disease causing epidermal growth disorder in the stratum corneum |
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Canine distemper causing "hard pad" |
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Superficial necrolytic dermatopathy |
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Diffuse seborrhea |
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Pityriasis rosea |
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Squamous cell carcinoma |
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Epitheliotropic lymphoma |
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Pyotraumatic dermatitis (hot spot) |
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Acral lick dermatitis |
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Mycobacterial granuloma |
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Sporothrix schenckii (Sporotrichosis). Fungal. |
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Pythium insidiosum. causes water mold (fungal) |
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Leishmania (protozoal) |
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Habronemiasis (parasitic). Caused by the larvae of Habronema or Draschia |
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Onchocerciasis (biting midges - parasitic) |
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Stephanofilariasis (eosinophilic caused - parasitic) |
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Eosinophilic granuloma (immune mediated) |
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Eosinophilic granuloma (immune mediated) |
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Vaccine-associated sarcoma |
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Injection site reaction |
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Ehlers Danlos syndrome (collagen dysplasia -- alteration in dermal collagen) |
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Calcinosis cutis (dermal deposits from hyperadrenocorticism) |
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Calcinosis circumscripta (dermal deposits at pressure points). Common in German shepherds. |
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Lymphoma |
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Mast cell tumour |
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Cutaneous histiocytoma |
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lipoma (mesenchymal tumor) |
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SubQ fibroma (mesenchymal tumor) |
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equine sarcoids (bovine papillomavirus induces fibroblast proliferation) |
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perianal gland adenoma (epithelial neoplasia) |
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Follicular (basal cell) tumor. aka Trichoblastoma |
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Follicular cyst |
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Name 3 mesenchymal tumors (5 possible answers) |
Lipoma Fibroma/Fibrosarcoma Equine sarcoid Hemangioma/Hemangiosarcoma Hemangiopericytoma |
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Name 3 round cell tumors (5 possible answers) |
lymphoma mast cell tumor cutaneous histiocytoma cutaneous and systemic histiocytosis extramedullary plasmacytoma |
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3 types of dermal dermal deposits |
calcinosis cutis calcinosis circumscripta mucin (Sharpeis) |
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Causes for dermatitis |
immune mediated/idiopathic parasitic fungal mycobacteria trauma |
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4 responses of the dermis to injury |
dermal inflammation alter dermal collagen dermal deposits dermal neoplasia |
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6 responses of the epidermis to injury |
inflammation necrosis altered epidermal adhesion (bullous diseases) altered pigmentation altered growth and keratinization epidermal neoplasia |
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What's a pustule |
aggregates of neutrophils in the epidermis |
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Names some things that can cause superficial epidermal inflammatory disease |
same as dermal: bacteria fungi parasites (fleas, flies, mites) viral (pox, herpes, calici, picorno) |
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What can cause epidermal necrosis? |
physical injury (burns, lacerations) chemical injury ischemia and infarction |
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3 things that cause altered epidermal adhesion (bullar diseases) |
Pemphigus foliaceus Pemphigus vulgaris Bullous pemphigus |
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Name 3 neoplasias of the epidermis (out of 5) |
Papilloma Squamous cell carcinoma in situ (Bowen's disease) Squamous cell carcinoma Epitheliotropic lymphoma Melanoma |
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bilateral alopecia due to hypothyroidism - increased number of catagen follicles - lack of hair shaft in follices - coat is dull and hyperpigmented |
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comedomes from hyperadrenocorticism |
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3 presentations of skin with hyperadrenocorticism |
1. epidermal thinning 2. comedomes + increased bruising 3. calcinosis cutis |
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Calcinosis cutis (hyperadrenocorticism) |
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folliculitis due to Demodex canis |
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Folliculitis furunculosis |