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comedos
blackheads; discolored, dried sebum plugging an excretory duct of the skin
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sudoriferous gland
sweat gland - opened to surface of the skin through pores.
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Kaposi sarcoma
sarc/o = flesh (connective tissue)
- malignant skin tumor associated with AIDS.
- usually fatal
- tumor appears as a purplish brown lesion
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Gangrene
form of necrosis associated with loss of blood supply. Before healing can take place, the dead matter must be removed
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abrasion
scraping or rubbing away of a surface, such as skin, by friction
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Abscess
localized collection of pus at the site of an infection (usually a staph infection)
can occur anywhere...treatment includes oral antibodies and I&D to drain material
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furuncle abscess
abscess that originates in a hair follicle; aka boil
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carbuncle (abscess)
cluster of furuncles in the subcutaneous tissue
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acne
inflammatory disease of sebaceous follicles of the skin, marked by comedos, papules, and pustules
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alopecia
loss or absence of hair; baldness
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cyst
-sebaceous
closed sac or pouch in or under the skin with a definite wall that contains fluid, semifluid, or solid material
sebaceous- cyst filled with sebum (fatty material) from a sebaceous gland
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eczema
redness of the skin caused by swelling of the capillaries
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hemorrhage
loss of large amount of blood in a short period, externally or internally (arterial, venous or capillary)
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contusion (hemorrhage)
any size under the skin in which the skin is not broken; bruise
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ecchymosis (hemmorhage)
petechia
skin discoloration consisting of a large, irregularly formed hemorragic area with colors changing from blue-black to greenish brown or yellow; bruise
petechia: minute, pinpoint hemorrhagic spot of the skin
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hematoma
elevated, localized collection of blood trapped under the skin that usually results from trauma
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hirsutism
excessive growth of hair or presence of hair in unusual places, especially in women
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impetigo
bacterial skin infection characterized by isolated pustules that become crusted and rupture
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psoriasis
chronic skin disease characterized by itchy red patches covered with silvery scales
- treatments
- -corticosterioids, vitamin D, uv light exposure, saltwater immersion
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scabies
contagious skin diseae transmitted by the itch mite
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skin lesion
(primary or secondary)
areas of pathologically altered tissue caused by disease, injury, or a wound due to external factors or internal disease
primary: initial reaction to pathologically altered tissue that may be flat or elevated
secondary: result from the changes that take place in the primary lesion due to infection, scratching, trauma, or various stages of a disease
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tinea
fungal infection whose name commonly indicates the body part affected; ringworm
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ulcer
pressure ulcer
- lesion of the skin or mucous membranes marked by inflammation, necrosis, and sloughing of damaged tissues
- (result of trauma, chemicals, heat, cold, drugs)
pressure ulcer: skin ulceration caused by prolonged pressure (bedridden: bony projection); bedsure, decubitis
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urticaria
allergic reaction of the skin. Eruption of pale-red elevated patches that are intensely itchy; wheals, hives
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verruca
rounded epidermal growths caused by a virus;wart
plantar, juvenile, venereal
removed by cryosurgery, electrocautery,
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vitiligo
localized loss of skin pigmentation characterized by milk-white patches; leukoderma
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biopsy
removal of a small peice of living tissue from part of the body for microscopic examination to confirm or establish a diagnosis, estimate prognosis, or follow the course of a disease
needle, punch, shave
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skin test
determines sensitivity (allergy) by applying a suspected allergen into the skin and determining sensitivity to specific antigen by an inflammatory skin reaction to it
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cryosurgery
use of subfreezing temperature, commonly with liquid nitrogen, to destroy abnormal tissue cells, such as unwanted or infected tissue
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debridement
treatment that involves removal of foreign material and dead or damaged tissue, especially in a wound and is used to promote healing and prevent infection
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electrodessication
process in which high-frequency electrical sparks are used to dehydrate and destroy disease tissue
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skin graft
allograft, autograft, synthetic, xenograft
surgical procedure to transplant healthy tissue by applying it to an injured site
allograft:one person to another; homograft
autograft: one site to anothe
synthetic: artificial skin, disintigrates
xenograft: foreign donor (pig);heterograft
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skin resurfacing
chemical peel, cutaneous laser, dermabrasion
procedure that repairs damaged skin, acne scars, fine or deep wrinkles or tattoos. Uses topical chemicals, abrasion or laser.
chemical peel: (chemabrasion) use of chemicals to remove outer layers of skin to treat acne scarring and to remove fine wrinkles on the face
cutaneous: several laser treatments for cosmetic and plastic surgery
dermabrasion: removal of acne scars, nevi, tattoos, or fine wrinkles on the skin through the use of sandpaper, wire brushes, or other abrasive materials on the epidermal layer
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