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Ch 16 Abnormal Conditions,Skin Neoplasms,Lab Tests & Clinical Procedures

Terms

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Acne
papular & pustular eruption of the skin
Burns
injury to tissues caused by heat
1st degree: superficial, no blisters
2nd degree: epidermal & dermal, with blisters
3rd degree:epidermis & dermis are dstroyed,subcataneous layer charred
Cellulitis
diffuse,acute infection of the skin marked by local heat,redness,pain,& swelling
Eczema
inflammatory skin disease with erythematosus,papulovescular lesions
Exanthematous Viral Diseases
rash (exanthem) of the skin due to a viral infection
Gangrene
death of tissue associated with loss of blood supply
Impetigo
bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions
Psoriasis
Chronic, recurrent dermatosis marked by itchy,scaly,red placques covered by silvery gray scales
Scabies
A contagious,parasitic infection of the skin wtih intense pruritus
Scleroderma
A chronic,progressive disease of the skin with hardening and shrinking of connective tissue
Systemic Lupus Erythematosus

SLE
Chronic inflammatory disease of collagen in the skin,of joints,and of internal organs
Tinea
Infection of the skin caused by a fungus
Vertiligo
Loss of pigment(depigmentation) is areas of the skin(milk-white patches)
Callus
Increased growth of cells in the keratin layer of the epidermis caused by pressure or friction
Keloid
hypertrophied,thickened scar that occurs after trauma or surgical incisions
Keratosis
thickened area of the epidermis
Leukoplakia
White,thickened patches on mucous membrane tissue of the tongue or cheek
Nevus
Pigmented lesion of the skin
Verruca
Epidermal growth caused by virus(wart)
Basal Cell Carcinoma
Malignant tumor of the basal cell layer of the epidermis
Kaposi Sarcoma
Malignant,vascular,neoplastic growth characterized by cutaneous nodules. Frequently on the lower extremeties
Malignent Melanoma
Cancerous growth composed of melanocytes
Squamous Cell Carcinoma
malignant tumor of the squamous epithelial cells of the epidermis
cryosurgery
use of subfreezing temperature via liquid nitrogen application to destroy tissue
curettage
use of sharp dermal curet(curette)to scrape away a skin lesion
electrodesiccation
tissue is destroyed by burning with an electric spark
Mohs surgery
thin layers of a malignent growth are removed,and each is examined under a microscope
skin biopsy
suspected malignant skin lesions are removed and sent to the pathology lab for microscopic examination
skin test
the reaction of the body to a substance by observing the results of injecting the substance intradermally or applying it topically to the skin (patch or scratch test for allergies)

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