skin diseases Flashcards
DERMATOLOGY
BRANCH OF MEDICAL SCIENCE THAT STUDIES AND TREATS THE SKIN AND ITS DISORDERS AND DISEASES
DERMATOLOGIST
PHYSICIAN WHO TREATS DISORDERS AND DISEASES OF SKIN
LESIONS
STRUCTURAL CHANGES IN TISSUES CAUSED BY DAMAGE OR INJURY
3 TYPES OF LESIONS
PRIMARY, SECONDARY, TERTIARY/VASCULAR LESIONS
VASCULAR/ TERTIARY LESIONS ARE
LESIONS THAT INVOLVE THE BLOOD OR CIRCULATORY SYSTEM
PRIMARY LESIONS
LESIONS IN INITIAL STATES OF DEVELOPMENT OR CHANGE
BULLA
DEFINITION AND EXAMPLES
LARGE BLISTER CONTAINING WATERY FLUID, SIMILAR TO VESICLE
EX. CONTACT DERMATITIS, LARGE SECOND DEGREE BURNS, BULBOUS IMPETIGO, PEMPHIGUS
CYST AND TUBERCLE
CLOSED ABNORMALLY DEVELOPED SAC THAT CONTAINS PUS OR SEMIFLUID, OR MORBID MATTER
A CYST CAN BE ______AND A TUBERCLE CANNOT BE _____
DRAINED
MACULE
FLAT SPOT OR DISCOLORATION ON SKIN,
FRECKLE OR AGE SPOT
PAPULE
SMALL ELEVATION ON THE SKIN THAT CONTAINS NO FLUID, BUT PUS MAY DEVELOP
ACNE, WARTS, ELEVATED NEVI
NODULE
A SOLID BUMP LARGER THAN .4 INCHES. 1 CM THAT CAN BE EASILY FELT
SWOLLEN LYMPH NODES, RHEUMATOID NODULES
PUSTULE
RAISED INFLAMED, PAPULE, WITH A WHITE OR YELLOW CENTER CONTAINING PUS IN THE TOP OF THE LESION
ACNE, IMPETIGO, FOLLICULITIS
TUMOR
ABNORMAL MASS VARYING IN SIZE, SHAPE, AND COLOR.
ANY ABNORMAL MASS, NOT ALWAYS CANCER
EX. CANCER
VESICLE
SMALL BLISTER OR SAC CONTAINING CLEAR FLUID, LYING WITHIN OR JUST BENEATH THE EPIDERMIS.
UNTREATABLE W/OTC
EX. POISON IVY, POISON OAK
WHEAL
AN ITCHY, SWOLLEN LESION THAT CAN BE CAUSED BY A BLOW, SCRATCH, BITE OF AN INSECT, OR UTICARIA (SKIN ALLERGY), OR STING OF NETTLE. TYPICALLY RESOLVES ON ITS OWN UNLESS LAST 3 OR MORE DAYS.
HIVES, MOSQUITO BITE
SECONDARY SKIN LESIONS ARE
BY PILES OF MATERIAL ON THE SKIN SURFACE— CRUST OR SCAB, OR BY DEPRESSIONS ON SKIN SURFACE, SUCH AS ULCER
CRUST
DEAD CELLS THAT FORM OVER A WOUND OR BLEMISH WHILE HEALING; ACCUMULATION OF SEBUM AND PUS, SOMETIMES MIXED WITH EPIDERMAL CELLS
EX. SCAB OR SORES
EXCORIATION
SKIN SORE OR ABRASION PRODUCED BY SCRATCHING OR SCRAPING
NAIL CUTICLE DAMAGE FROM NAIL BITING
FISSURE
CRACK IN SKINT THAT PENETRATES THE DERMIS
SEVERELY CRACKED OR CHAPPED HANDS, LIPS OR FEET
KELOID
THICK SCAR RESULTING FROM EXCESSIVE GROWTH OF FIBROUS TISSUE. KELOIDS WILL FORM ALONG ANY TYPE OF SCAR FOR PEOPLE SUSCEPTIBLE TO THEM
SCALE
THIN, DRY, OILY PLATE OF EPIDERMAL FLAKES
—DANDRUFF, PSORIASIS
SCAR OR CICATRIX
SLIGHTLY RAISED OR DEPRESSED AREA OF THE SKIN THAT FORMS AS A RESULT OF HEALING PROCESS RELATED TO AN INJURY OR LESION
POST-OPERATIVE REPAIR
ULCER
OPEN LESION ON THE SKIN OR MUCOUS MEMBRANE OF THE BODY; ACCOMPANIED BY LOSS OF SKIN DEPTH AND POSSIBLY WEEPING OF FLUIDS OR PUS. PARTICULARLY UNDERLYING TO MEDICAL CONDITIONS SUCH AS DIABETES
CHICKEN POX, HERPES
ACTINIC KERATOSIS
A PINK OR FLESH COLORED PRECANCEROUS LESION THAT FEELS SHARP OR ROUGH AS A RESULT OF SUN DAMAGE
THREE TYPES OF CANCER
BASAL CELL CARCINOMA, SQUAMOUS CELL CARCINOMA, MALIGNANT MELENOMA
NORMAL MOLE
SMALL BROWNISH SPOT ON THE SKIN RANGING IN COLOR FROM PALE TAN OR BLUISH BLACK. NOT A TYPE OF SKIN CANCER
