Term
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Definition
| initial eruption that develops spontaneously as a direct result of underlying disease, develop & disappear quickly |
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Term
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Definition
| small circumscribed elevation of skin containing purulent material, neutrophils usually predominate ("pimple") |
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Term
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Definition
small, solid elevation of skin up to 1 cm in diameter, can be palpated as a solid mass
can be red, ("rash") |
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Definition
| small solid elevation of the skin with a flattened top (> 1cm) |
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Definition
| circumscribed, solid elevation > 1cm in diameter that extends into deeper layers of the skin ("lump or bump") |
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Definition
| large mass that may involve any structure of the skin of SQ tissue ("lump or bump") |
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Term
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Definition
| epithelium-lined cavity containing fluid or a solid material |
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Term
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Definition
| small sharply circumscribed elevation of skin filled with clear fluid ("blister") |
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Definition
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Definition
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Definition
| sharply circumscribed, raised lesion consisting of edema that usually appears and disappears within minutes or hours (no change in overlying skin or hair) ("hives") |
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Term
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Definition
| huge wheal that is distensible ("swelling") |
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Term
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Definition
| circumscribed, nonpalpable area characterized by change in color of the skin; < 1 cm in diameter |
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Definition
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Term
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Definition
circumscribed developmental defect in the skin
ex: pigmented _____=mole |
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Term
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Definition
| scale arranged in a circular rim of loose keratin flakes, represents the remnants of the roof of a vesicle, bulla, pustule or papule |
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Term
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Definition
| dried exudate, serum, blood, medications or excess scale ("scab") |
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Term
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Definition
| superficial (epidermal) erosions or ulcers caused by self-trauma |
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Term
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Definition
| thickening of the epidermis and/or dermis with exaggeration of the superficial skin markings |
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Term
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Definition
| shallow epidermal defect that does NOT penetrate the epidermal basal cell layer |
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Term
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Definition
| break in the epidermis with exposure of the dermis (resulting from deep pathological process) |
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Term
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Definition
| area of fibrous tissue that has replaced the damaged dermis or SQ tissue (usually alopecic, atrophic and depigmented or hyperpigmented) |
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Term
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Definition
| linear cleavage into the epidermis or through the epidermis to the dermis (usually occurs when skin is inelastic and subject to sudden swelling from inflammation or trauma) |
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Term
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Definition
| thickened, rough hyperkeratosis, alopecic, often lichenified plaque (occurs over bony protuberances resulting from chronic, low-grade pressure) |
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Term
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Definition
| partial or complete loss of hair |
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Term
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Definition
| accumulation of loose fragments of the stratum corneum |
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Term
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Definition
| dilated hair follicle filled with cornified cells and sebaceous debris ("black head") |
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Term
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Definition
| accumulation of keratin & follicular material that adheres to the hair shaft extending above the surface of the follicular ostia |
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Term
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Definition
| reduction or total loss of pigment in the skin or hair |
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Term
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Definition
| increase in the amount of pigment in the hair or skin |
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Term
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Definition
| unpleasant sensation in the skin that causes the desire to scratch |
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Term
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Definition
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Term
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Definition
| excessive scaling (dry scales & dry hair coat) |
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Term
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Definition
| excessive scaling (greasy/sticky scales & hair coat) |
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Term
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Definition
| sinus or abnormal passage leading from abscess to the surface |
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Term
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Definition
| circumscribed SQ collection of pus |
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Term
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Definition
| chemically active rays of the electromagnetic spectrum |
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Term
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Definition
| redness of the skin associated with inflammation |
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Term
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Definition
| inflammation secondary to rupture of hair follicle, usually pyogranulomatous |
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Term
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Definition
| superficial, ulcerative inflammatory process caused by trauma, aka: "acute moist dermatitis" ("hot spot") |
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Term
| pyotraumatic folliculitis |
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Definition
| deep suppruative folliculitis usually a mainifestation of deep pyoderma |
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Term
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Definition
| surface irritation and inflammation caused by frictional trauma of skin rubbing against skin, aka "skin fold dermamtitis" |
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Term
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Definition
| pustular diseases in which autoantibodies are directed against desmosomal proteins of the viable epidermis |
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Term
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Definition
| antibodies directed agaisnt desmosomal proteins present in the upper layers of the epidermis, results in subcorneal papules |
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Term
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Definition
| antibodies directed against proteins present in the lower layers of the epidermis, results in ulcers & erosions |
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Term
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Definition
| granulomatous dermatitis of puppies affecting the skin of the face, pinnae, submandibular and prescapular lymph nodes |
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Term
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Definition
| localized mass of extravasated blood that is relatively or completely confined to the dermis and/or SQ |
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Term
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Definition
| localized accumulation of serum within the dermis/subcutis |
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Term
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Definition
| "lick granulomas" psychodermatosis resulting from repeated self-trauma to a specific area caused by obessive-compulsive behavior |
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Term
| mast cell tumor, cutaneous lymphoma, transmissible venereal tumor, cutaneous plasmacytoma, cutaneous histiocytoma, melanoma (can also be spindle cell) |
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Definition
| example of round cell tumor |
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Term
| fibroma/fibrosarcoma, neurofibrosarcoma, hemangiopericytoma, hemangioma/hemangiosarcoma, leiomyoma/leiomyosarcoma, melanomas (can also be round cell tumors), equine sarcoids |
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Definition
| example of spindle cell tumors |
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Term
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Definition
| non-spindle cell mesenchymal tumors |
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Term
| basal cell tumor, papillomatosis, sebaceous hyperplasia/adenoma, squamous cell carcinoma, hair follicle tumors, epitrichial or apocrine tumors |
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Definition
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Term
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Definition
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Term
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Definition
| delayed direct closure before onset of granulation tissue |
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Term
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Definition
| direct closure after onset of granulation tissue |
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Term
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Definition
| indirect closure by granulation tissue and epithelial contraction |
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Term
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Definition
| combination of blunt & sharp dissection underneath the subdermal plexus; can be used to separate granulation tissue from epithelium |
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Term
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Definition
| used to stretch the skin in small increments allowing tension to be distributed over several rows of sutures |
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Term
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Definition
| pedicle flap that has direct cutaneous artery and vein at its base (direct vascular supply allows larger/longer flaps to survive) |
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Term
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Definition
| flap composed of skin & muscle, used for deep reconstruction |
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Term
| skin scraping, cytology, DTM culture |
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Definition
| basic database for dermatology |
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Term
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Definition
| most common allergic skin disease in dogs and cats |
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Term
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Definition
| hypersensitivity rxns involved in FAD |
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Term
| 1-3 years, or within several months of first flea exposure |
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Definition
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Term
| tail base, rump, perineum, inner thighs |
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Definition
| typical distribution of FAD |
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Term
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Definition
| insect commonly implicated in insect hypersensitivity in horses |
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Term
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Definition
| most common allergic skin disease in horses |
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Term
| ventral (axillae, groin, elbows), pinnae; can become generalized over time |
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Definition
| distribution of lesions associated with Scabies in dogs |
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Term
| tips of pinnae and head, progressing to trunk |
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Definition
| distribution of lesions for Notoedres |
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Term
lime sulfur dips for 6-8 wks, weekly amitraz
ALL contact cats must be txed |
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Definition
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Term
1. insect control
2. symptomatic relief with oral prednisone
3. Antihistamines
4. Omega 3/omega 6 FA
5. Anti-pruritic shampoos |
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Definition
| tx for insect hypersensitivity |
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Term
1. Flea control
2. symptomatic relief with oral prednisone
3. antihistamines |
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Definition
| tx for flea allergy dermatitis |
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Term
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Definition
| most common cause of pyotraumatic dermatitis |
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Term
1. Flea control
2. Clip hair, clean 2x daily with chlohexidine
3. Temporary symptomatic relief with oral prednisone
4. antihistamines |
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Definition
| tx of pyotraumatic dermatitis |
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Term
ALL contact dogs must be txed
1. Amitraz, lime sulfur (mitocidal topical therapy) every 3 weeks (only kills adults)
2. Weekly systemic ivermectin (CONTRAINDICATED in herding breeds)
3. weekly milbemycin
4. Selamectin (repeat in 2 weeks)
5. Temp. relief with oral prednisone
6. Topical antipruritic shampoo |
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Definition
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Term
| 3rd stage larvae penetrating skin |
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Definition
| cause of hookworm dermatitis |
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Term
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Definition
| most common skin disease in dogs |
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Term
| secondary (due to change in microclimate of skin that allows over growth of Staph pseudointermedius) |
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Definition
| is superficial pyoderma a primary or secondary infection? |
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Term
1. Chlorhexidine shampoo 2x a week
2. Systemic antibiotics (cephalexin, clavamox)
3. Dx and tx underlying primary disease
4. Avoid systemic steroids |
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Definition
| tx of superficial pyoderma |
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Term
| ~3 weeks (1 week past complete clinical resolution) |
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Definition
| how long to treat superficial pyoderma with abx? |
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Term
| no, possibly caused by immune system immaturity |
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Definition
| is there another disease causing puppy pyoderma? |
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Term
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Definition
| age of onset for puppy pyoderma |
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Term
| neutrophilic pustules with bacteria |
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Definition
| cytology commonly found with puppy pyoderma |
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Term
1. May resolve on its own
2. topical antibiotics (few lesions)
3. chlorhexidine shampoo if widespread lesions
4. systemic abx (if widespread, pruritic or persistent) |
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Definition
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Term
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Definition
| is puppy pyoderma typically pruritic? |
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Term
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Definition
| type of hypersensitivity associated with pemphigus |
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Term
| pustules containing neutrophils, acantholytic keratinocytes, NO bacteria |
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Definition
| typical cytology of pemphigus foliaceus |
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Term
| hyperkeratotic foot pads (with peeling of footpads)--can be lame on all 4 feet, fever, anorexia, lethargy, can be photoaggravated |
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Definition
| clinical signs of pemphigus foliaceus in dogs and cats |
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Term
| exfoliative dermatitis, coronary band dermatitis, edema of distal limbs, ventral abdomen (due to concurrent vasculitis) |
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Definition
| clinical signs of pemphigus foliaceous in horses |
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Term
1. immunosppressive therapy (prednisone, azathioprine-NOT CATS!, chlorambucil-cats, Gold Salt therapy)
2. supportive care
3. protection from sunlight |
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Definition
| tx of pemphigus foliaceous |
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Term
| "paint brush" lesions, painful rather than pruritic, thick crusts |
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Definition
| clinical signs associated with Dermatophilosis |
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Term
| dorsum, head & pinnae, distal extremities |
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Definition
| distribution of Dermatophilosis lesions |
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Term
1. may resolve by itself if kept dry
2. ionophores, chlorhexidine, lime sulfur
3. systemic abx (penicillin)
4. vector control
5. correct poor hygiene |
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Definition
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Term
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Definition
| signalment of juvenile cellulitis |
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Term
| pyogranulomatous inflammation (neutrophils & macrophages) without infectious agent present |
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Definition
| cytology of juvenile cellulitis |
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Term
| acute swilling and surface pustules on muzzle, lips, eyelids; nonpruritic but painful; enlarged submandibular/prescapular lymphnodes; fever, anorexia, depression, joint pain |
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Definition
| clinical signs of juvenile cellulitis |
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Term
1. systemic steroids (taper quickly)
2. supportive care
3. systemic abx if secondary infection is suspected |
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Definition
| tx of juvenile cellulitis |
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Term
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Definition
| mast cell tumors are generally considered benign in which species |
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Term
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Definition
| where on body do melanocytic tumors have higher rates of malignancy? |
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Term
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Definition
exuberant growth of normal tissue
(ex: nevus) |
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Term
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Definition
| medical term for skin tag |
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Term
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Definition
| inflammation of subcutaneous fat |
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Term
| infectious, vasculitis,idiopathic |
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Definition
| common causes of panniculitis |
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