Term
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Definition
| elevated irregular-shaped area of cutaneous edema |
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Term
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Definition
| elevated, firm, and rough lestion with flat top |
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Term
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Definition
| irregular-shaped, elevated, progressively enlarging scar |
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Term
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Definition
| loss of epidermis and dermis, concave |
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Term
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Definition
| circumscribed area of blood less than 0.5cm in diameter |
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Term
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Definition
| circumscribed area of blood greater than 0.5cm in diameter |
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Term
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Definition
plug of sebaceous and keratin material lodged in opening of hair follicle
acne |
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Term
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Definition
| resulting from pressure and shearing forces that occlude cutaneous and subcutaneous blood flow |
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Term
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Definition
| sores resulting from lying down for long time |
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Term
| what do pressure ulcers develop? |
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Definition
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Term
| Signs and Symptoms of pressure ulcer |
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Definition
pain, fever, and leukocytosis
if ulceration is large, toxicity and pain lead to loss of appetite, debility, and renal insufficiency |
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Term
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Definition
| itching associated with many primary skin disorders or manifestations of disease |
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Term
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Definition
erythema, vesicles, scales, and itching
edema serous discharge, crusting comes with scratching |
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Term
| Allergic contact dermatitis |
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Definition
cell-mediated/delayed hypersensitivity
may be caused by poison ivy, chemicals, latex, drugs, metals, etc. |
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Term
| Irritant contact dermatitis |
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Definition
| nonimmunologically-mediated inflammation caused by prolonged exposure to soaps, detergents, and various other chemicals |
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Term
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Definition
more common in infancy and childhood
results from activation of mast cells, T lymphocytes, IgE production and release of inflammatory mediators
lesions usually found on feet, hands, and flexor surfaces of arms and legs |
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Term
| If you scrate atopic dermatits, what can happen? |
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Definition
| lead to increased risk of infection from Staphylococcus aureus |
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Term
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Definition
usually occurs in legs as result of reduced venous flow and edema
results in erythema, pruritus, scaling, petechiae, and hyperpigmentation |
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Term
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Definition
chronic inflammation of skin involving scalp, eyebrows, eyelids, ear canals, axillae, chest, and back
cause unknown and lesions occur periodically from infancy to old age
lesions are scaly, white, or yellowish |
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Term
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Definition
| chronic, relapsing, skin disorder resulting in thickening of dermis and epidermis with cellular proliferation and inflammation leading to plaque formation |
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Term
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Definition
inflammatory disorder of the sebaceous gland
affects 85% of population between 12 and 25 years old |
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Term
| Noninflammatory acne vulgaris |
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Definition
| comedones are open (blackheads) and close (whiteheads) with accumulated material causing distention of follicle and thinning of follicular canal walls |
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Term
| Inflammatory acne vulgaris |
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Definition
close comedones when follicular wall ruptures expelling sebum into surrounding dermis and initiating inflammation
pustules, papules, and cystic nodules may develop |
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Term
| tinea corporis (ringworm) |
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Definition
circular, mildly erythematosus scaly patches on skin areas excluding scalp, face, hands, feet, groin
more common in children |
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Term
| tinea pedis (athlete's food) |
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Definition
superficial fungal infection of foot common in adults
slight scaling
painful skin occasionally with fissures and vesiculation |
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Term
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Definition
associated with type 1 hypersensitivity reaction to drugs, foods, systemic disease, or physical agents
mediated by histamine release resulting in wheals, welts, or hives |
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Term
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Definition
chronic inflammation of middle-aged adults
lesions occur in middle third of face associated with chronic flushing and sensitivity to sun |
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Term
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Definition
| typically caused by S. aureus or B-hemolytic streptococci |
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Term
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Definition
bacterial infection of hair follicle
lesions appear as pustules and erythema
most prominent on scalp and extremities |
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Term
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Definition
inflammation of hailr follicles
lesion is deep, firm, red, painful nodlue which change to cystic nodules accompained by cellulitis |
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Term
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Definition
collection of infected hair follicles occuring on back of neck, upper back, and lateral thigs
may form abscesses |
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Term
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Definition
infection of dermis and subcutaneous tissue usually caused by Staphylococcus
occus as extension of skin wound, ulcer or furuncle or carbuncle |
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Term
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Definition
superficial lesion caused by Staph or B-hemolyic streptococci
more common in children |
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Term
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Definition
| infections caused by HSV-1 generally oral infections and HSV-2 is associated with genital infections |
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Term
| Herpes zoster (shingles) or varicella (chickenpox) |
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Definition
varicella is primarily infection followed by activation of virus to cause shingles years later
virus remains latent in trigeminal and dorsal root ganglion during time between activations
Symptoms: zoster--> pain and paresthesia with vesicular eruptions |
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Term
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Definition
benign lesions caused by many different types of human papillomavirus
commors warts occur in children usually on fingers
plantar warts on bottom of foot |
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Term
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Definition
fungal infection of scalp with scaly, pruritic scalp with bald areas
more common in children |
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