Abscess
localized accumulation of pus
Albinism
Congenital defect in melanin development, causing lack of pigment in the hair, skin, and eyes
alopecia
Hair loss
Anhidrosis
abnormal condition of no sweat
Bleb
Small blister, fluid filled
Bulla
Large blister, fluid filled
Cicatrix
Scar
Cyanosis
Bluish skin or MM color
Dyskeratosis
Abnormal alteration in keratinization
Ecchymosis
Flat, reddish purple spot caused by intradermal or submucous hemorrhages; bruise
Erythema
redness of the skin
Exanthema
Rash
Exfolliation
Shedding or horny layer of epidermis
Fissure
Crack or groove; erosive
Hyperhidrosis
Excessive sweating
Hyperkeratosis
Overgrowth of horny layer of epidermis
Intradermal
within the skin
Macula
Small, discolored spot on the skin that can be seen but not felt, surface (freckles)
Nodule
Small, visible mass protruding above the skin
Pallor
Paleness of skin
Papule
Small, rounded elevation of the skin; surface
Pruritus
Itching
Purpura
Purplish red discoloration on the epidermis caused by hemorrhage into tissue; 2 types: ecchymisis, petichia
Pustule
Pus collected in hair follicle or pore; fluid filled
Scale
Epithelial cells on epidermis or shed from it; surface
Subcutaneous
beneath the skin
Acne
Inflammation of skin caused by plugging of sebaceous glands with development of papules and pustules
Allergic dermatitis/atopy
Skin inflammation caused by allergy
contact dermatitis
Inflammation of skin caused by contact with something the animal is allergic to
decubitus ulcer
Skin lesions caused by pressure that results in defective circulation; bed sores
Dermatitis
Inflammation of skin
dermatocellulitis
Inflammation of skin and underlying connective tissue
Dermatosis
Any skin disease; especially those not associated with inflammation
discoid lupus erythematosus
Autoimmune skin disease characterized by depigmentation, Erythema, scaling, erosions, ulceration, and crusting, particularly of the face
Eczema
General term for acute or chronic dermatitis
Epidermolysis bullosa
genetic skin disease characterized by blisters caused by any mechanical friction, resulting in large open sores and extreme skin fragility
exfoliative dermatitis
dermatitis w/ scaling, itching, loss of hair, and redness of skin
Frostbite
Tissue damage caused by exposure to extreme cold or chemicals w/ a rapid freezing action
Pemphigus vulgaris
autoimmune dz characterized by shallow ulcerations of mucotaneous junctions and oral mucosa
Petechia
Pinpoint hemorrhage beneath the skin, MM, or organ capsule
seborrheic dermatitis
chronic, inflammatory dermatitis with yellowish, greasy scaling of skin, with or without pruritis
Urticaria
allergic reaction of the skin characterized by itching and hives
Wart
Virus caused, benign, small, tumor-like epidermal growth
Wheal
hives; surface
acute moist dermatitis
Superficial bacterial infection of skin caused by self trauma. (Scratching, chewing, biting) (hotspot)
Cellulitis
Inflammation, usually bacterial, involving loose SQ tissue
Chiggers
infestation by mite larvae, causing severe itching and dermatitis
Cutaneous blowfly myiasis
maggot infestation
Dermatomycosis
fungal infection; AKA ringworm
Flea bite dermatitis
Lesions caused by hypersensitivity to flea bites. (Self trauma and secondary infections common)
Demodicosis
Infestation of demodex mange mites
Scabies
Infestation by sarcoptes scandal mange bites
Paronychia
Bacterial/ viral inflammation of skin around nails or claws
Pediculosis
lice infestation
Pyoderma
any purulent skin disease
Dermatofibroma
fibrous tumor of the skin
Lipoma
benign fatty tumor
malignant melanoma
Rapidly growing, often ulcerated mass with tendency to metastasize, tumor cells may be pigmented
Mast cell tumor
benign or malignant tumor of mast cells
sebaceous cyst
cyst of sebaceous gland plugged with sebum
seborrheic keratosis
Benign wart like tumors of epidermis with many yellow or brown raised lesions on skin
Squamous cell carcinoma
malignant tumor composed of squamous epithelial cells
excisional biopsy
Surgical incision To remove tissue of all or part of a lesion and surrounding normal appearing tissue
Punch biopsy
Sample of tissue obtained w/ a punch tool
Skin graft
Surgical procedure to transplant skin from one location to another
Biopsy
Removal of tissue for microscopic examination
Fungal culture
Crusts of a lesion and plucked hair are dropped into a container of DTM and incubated for 2 weeks; watch for color change to indicate positive
Intradermal tests
Allergy testing, allergens are injected ID and reactions are observed
Skin scrape
Scalpel blade is used to scrape skin, then examined under a microscope for mites
Tissue culture
epithelial cells taken from body, grown in a medium for diagnostic or research purposes
Dermatophyte test medium (DTM)
Test medium for fungal culture; ringworm