Integumentary system

skin eruptions part 1

macules- flat spots on the skin such as freckles

papules- firm, raised areas such as pimples and the eruptions seen in same stages of chickenpox & syphilis

vesicles- blisters, or fluid-filled sacs such as chicken pox

pustules- pus-filled sacs such as those seen in acne or pimples

skin eruptions part 2

crusts- areas of dried pus & blood, called scabs

ulcer- deep loss of skin surface that may extend into the dermis

wheals- itchy, elevated areas with a irregular shape, hives & insect bites

cyst- closed sac w/ a distinct membrane that develops abnormally in a body structure usually filled with a semisolid material

diseases & abnormal conditions

acne vulgaris- inflammation of the sebaceous glands; treatment: frequent washing of the skin

athletes foot- contagious fungal infection that usually affects feet, (skin itches, blisters, & cracks into open sores); treatment: antifungal cream

basal cell carcinoma

(grows slowly & does not spread), lesions can be pink to yellow-white, smooth with a depressed center, elevated, irregular-shaped border

squamas cell carcinoma

(spread quickly to other areas of the body), start small, firm, red, flat sores that later scale and crust, sores that do not heal

melanoma

develops in the melanocytes and is the most dangerous type, lesions can be brown, black, pink, or multicolored

dermatitis is inflammation of skin

caused by any substance that irritates the skin, frequently caused by an allergic reaction to detergents, cosmetics, pollen, or certain foods.

treatment: eliminating the cause, antiflammatory ointments, antihistamines, and/or steroids

eczema (noncontagious, inflammatory)

caused by allergen or irritant; symptoms: dryness, erythema, edema, itchy vesicles that crust, ooze, or scale

impetigo (highly contagious)

usually caused by strep or staph

psoriasis (noncontagious)

periods of exacerbations & remissions; cause unknown, maybe hereditary but silver and scaly

verrocae (warts)

caused by the HPV; can be located on the genitals, plantar, & palmar