Assisiting in Dermatology
partial or complete lack of hair
relating to an alteration in cells to a more primitive form; a term that describes cancer-producing cells
an orange pigment in bile; its accumulation leads to jaundice
the technique of exposing tissue to extreme cold to produce a well-defined area of cell destruction
the removal of foreign material & dead damaged tissue from a wound
the destruction of cells & tissue by means od short high-frequent electrical sparks.
devitalized skin that forms a scab ora dry crust over a burn area
an increase in the seriousness of a disease, marked by greater intensity of the signs & symptoms
skin that has been injured by scratching; abraded.
inflammation of the glomerulus of the kidney
an increase in the number of normal cells
a yellow discoloration of the skin & mucous membranes caused by deposits of bile pigments; these deposits of bile pigments; these deposits occur because of excess bilirubin in the blood.
a raised, firm scar formation caused by overgrowth of collegen at the site of a skin injury
a very hard, tough protein found in the hair, nails, & epidermal tissue
the skin cells that synthesize keratin
lack of skin pigmentation, especially in patches
not translucent or transparent; murky
small purplish hemorrhage spots on the skin
pain that lasts longer than a month after a shingles infection & is caused by damage to the nerve the pain may last for months or years
intermittent attacks of ischemia of extremities resulting in cyanosis numbness, tingling & pain
any substance that interferes w/normal prenatal development resulting in a development abnormality
what's the largest organ in the body?
20 sq ft
a hemorrhagic skin discoloration commonly called bruising
the partial or complete disappearance of the clinical & subjective characteristics of a chronic or malignant disease
Sebaceous glands release_________, and oily substance that lubricates the skin.
The epidermis is the thin uppermost layer, and the ________ is the thick layer beneath.
A variety of microorganisms, called normal or resident _________, are found on the skin and may increase the risk of integumentary system infections.
____________ is a common, contagious, superficial infection caused by streptococci or staphylococcus.
_____________ is a disorder of the hair follicle and sebaceous gland unit.
_____________ is characterized by a vesicular, pruritic rash on the face, neck, elbows, and posterior knees and behind the ears.
Individuals with _________, and inherited recessive trait, are unable to produce melanin, so they have white hair and skin and lack of pigment in the iris.
Cancer cells are undifferentiated and __________ in nature.
Jaundice is caused by deposits of _______________ in the tissues, which creates an orange discoloration of the skin.
A patient with an extremely pruritic skin rash may scratch so much that the area become _____________.
A(n)_______________ is a raised, firm scar caused by overgrowth of collagen at the site of the skin injury.
A patient who is given an antipruritic cream for an itchy skin lesion is receiving _________ treatment.
Small purple hemmoraghes unde the skin that may resemble a rash are called __________.
Accutane is and extremeley dangerous ________ that is contraindicated in women of childbearing age.
A(n) ___________disorder is one that has no know cause.
Ischemia of the extremeties that result in cyanosis and pain is called _____________ ______________.
SLE is a(n)__________ disorder that results when the immune system attacks the bodys connective tiddue.
Major skin functions
Acts as a barrier to protect vital internal organs from infection and injury. It helps dissipate heat and regulates body temp. It synthasizes vitamin D when exposed to UV rays.
epidermis, dermis, subcutaneous tissue
What are the three layers of skin?
Flat area of color change. (no elevation or depression) *freckles
A small haard elevation of the skin (less than 0.5 cm in diameter) Rosacea allergic eczema
Flat elevated surface found on skin or mucous membrane. *thrush
Cracks in skin *Athletes foot.
Vessicle filled with pus * acne
small blister - fluid within or under spidermis *hypervirus infection
large blister (greater that 0.5 cm) *burn
a closed sac in or under the skin containing fluid or semisolid material *sebaceous
Area of destruction of entire epidermis *pressure sore
Type of plaque. Result is transient edema in dermis *intradermal skin test.
Inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions.
chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales
a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin
a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy)
an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms
thickening and hardening of the skin due to new collagen formation
First degree burn
a burn involving only the epidermis; characterized by erythema (redness) and hyperesthesia (excessive sensation)
Second degree burn
destroys the epidermis and part of the dermis; characterized by pain, blisters, swelling, and discoloration.
Third degree burn
destroys epidermis and dermis, appear leathery and dark, no pain, insensitivity to pain due to nerve damage; fluid loss & increased risk of infection due to damage of protective barrier
Cellular structure "benign tumor"
Same as surrounding tissue
Cellular structure "malignant tumor"
Anaplastic changes and poor cellular differentiation
Type of growth "benign tumor"
encapsulated mass that expands over time
Type of growth "malignant tumor"
Infiltrates and metastasizes to other parts of the body distant spread through the blood
Rate of growth "benign tumor"
Usually slow; rarely fatal
Rate of growth "malignant tumor"
Slow, rapid, or very rapid always fatal if left untreated.
Destruction of localized tissue "benign tumor"
Destruction of localized tissue "malignant tumor"
Ulceration and necrosis of surrounding tissue.
C - in caution cancer warning signs
change in bowel or bladder habits
A - in caution cancer warning signs
A sore that does not heal
U - in caution cancer warning signs
Unusual bleeding or discharge
T - in caution cancer warning signs
Thickening or a lump in breast or elsewhere
I - in caution cancer warning signs
Indigestion or difficulty swallowing
O- - in caution cancer warning signs
Obvious change in a wart or mole
N - in caution cancer warning signs
Nagging cough or hoarseness
A - signs in malignant melanoma
Asymmetrical one half of mole doesn't match the other half.
B- signs in malignant melanoma
Border - edges of mole are blurred or irregular
C- signs in malignant melanoma
Color - mole is not same color throughout and has shade of tan, brown, black, red, white, or blue
D- signs in malignant melanoma
Diameter - larger than 6mm (size of pencil eraser)
E- signs in malignant melanoma
Elevation- a mole is no longer flat it is elevated
percutaneous (scratch test), intradermal (id injections), radioallergo sorbent (blood drawn and tested)
List three ways to perform and allergy test.
chemical pel, dermabrasion, laser resurfacing
List three different procedures for appearance modification.
Highly contagious viral infection, Symptoms are a body rash and fever. Treat with Varivax for 18months - adult or Zostavax adult - 60+.
Herpes zoster acute
vesicles - pustules - ulcers - crusts (7-10 days); resolves in 2-3 weeks, intraoral - buccal mucosa and tissue bound to bone Treat with Varivax for 18months - adult or Zostavax adult - 60+.
Basal Cell carcinoma
Most common and least severe type of skin cancer; often characterized by light or pearly nodules
Squamous cell carcinoma
Type of skin cancer more serious than basal cell carcinoma; often characterized by scaly red papules or nodules.
lives with oxygen
fungal infection of the nails (especially toenails)
contagious skin disease transmitted by the itch mite
infestation with lice that causes itching and dermatitis
list the early warning signs of malignant melanoma
- change in bowel habits
- a sore that does not heal
- unusual bleeding or discharge
- thickening or a lump in the breast or elsewhere
- indigestion or difficulty in swallowing
- obvious change in a wart or mole
- nagging cough or hoarsness
list & describe 3 ways to perform allergy testing
- Percutaneous Test
- Intradermal Test
- Radioallergosorbant Test
list 3 procedures for appearance modification
- laser resurfacing
- botox injections