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Dermatology I
skin disorders/conditions
33
Health Care
Not Applicable
09/12/2004

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Cards

Term
URTICARIA
Definition
aka hives

pruritic papules and plaques

allergic, physical, and idiopathic causes
Term
ATOPIC DERMATITIS
Definition
Chronic - recurrent, had as child, lichenification

Acute - red plaques, often a scale with excoriations

Term
CONTACT DERMATITIS
Definition
inflam. rxn to contacted substance; spreads due to immunologic rxn.

Pruritic

Examples - poison ivy
Term
IMPETIGO
Definition
superficial infxn of S. aureus or Group A Strep

Colonizes in minor break of skin

Presence of honey colored crusts around lesions

Term
VITILIGO
Definition
loss of pigmentation due to lack of melanin

white macules; benign

familial or stress related
Term
ACTINIC KERATOSIS
Definition
Superficial flattened papules with scaling

Benign but can be precancerous

Term
SEBORRHEIC DERMATITIS
Definition
yellow, brown, or black raised lesions

Greasy or wartlike appearance

Hyperkeratonic papules

Term
NEVUS
Definition
Mole

Most are benign, some can be precancerous
Term
DERMATOFIBROMA
Definition
domed, slightly red/tan

firm, button-like, possibly tender

benign, commonly confused with cancerous lesions
Term
KERATOACANTHOMA
Definition
isolated nodule, usually appearing on the face

dome with keratin plug
Term
BASAL CELL CARCINOMA
Definition
malignant, slow growing, rarely metastisizes

translucent nodule with depressed center and elevated border, telangiectasias possibly aurrounding it

occur +40y.o., usually on face or sun exposed areas
Term
SQUAMOUS CELL CARCINOMA
Definition
malignant, faster growing, metastisizes in 5% of cases

usually appear on face or back of hand (Sun exposed areas)

firmer and redder than Basal Cell
Term
MALIGNANT MELANOMA
Definition
can arise from pre-existing nevus

assymetry, irregular border, color variation/change, diameter +6mm, elevation/enlargement

Term
SKIN TAG
Definition
aka acrochordon or cutaneous papilloma

pedunculated, benign

increase with age, pregnancy
Term
HERPES ZOSTER
Definition
reactivation of varicella virus in immunosuppressed patients

distribution along a dermatone

Term
VERRUCA VULGARIS
Definition
Common wart

Firm papule, hyperkeratonic
Term
VERRUCA PLANTARIS
Definition
plantar wart, bottom of feet

Term
PSORIASIS
Definition
common, hereditary, several types

pink with silvery scales (classic presentation)

areas of repeat trauma (elbows, knees,lumbo-sacral, etc)
Term
CUTANEOUS CANDIDIASIS
Definition
aka monilia, intertrigo (when w/in a skin fold)

yeast infection

common in moist areas, diabetics, and immunosuppressed patients

starts as pustules, then red eroded patches with pustules at periphery

diagnose by KOH prep
Term
DECUBITUS ULCER
Definition
tissue becomes ischemic and then necrotic, can possibly extend to muscle and bone

occurs at pressure points

ore common in bedridden patients

Term
MOLLUSCUM CONTAGIOSUM
Definition
epidermal viral infection

papule with unbilicated center or white core

contagious; spread by direct contact

Term
PITYRIASIS ROSEA
Definition
aka herald patch

viral

salmon colored oval often on trunk followed by eruption of scaling papules along skin lines

Term
TINEA CORPORIS
Definition
aka ringowrm

fungal infection of the body

sometimes pruritic, peripheral enlargement with central clearing
Term
TINEA CURIS
Definition
jock itch

same as tinea corporis but in inguinal region

Term
TINEA PEDIS
Definition
aka athlete's foot

Term
TINEA CAPITIS
Definition
same as tinea corporis but involving the scalp

patches of alopecia, black dots on scalp = broken hairs

Term
ROSACEA
Definition
'ruddy' complexion or papulopustular

more common in fair skinned, middle aged patients

can include rhinophyma

Term
LIPOMA
Definition
aka adipose tumor

benign, soft, subcutaneous, nontender

Term
ERYTHEMA MULTIFORME
Definition
occurs in 20 to 30 y.o.

idiopathic or secondary to drugs

presence of target lesions on palms soles, mucus membranes

systemic = Johnson syndrome

Term
ERYTHEMA NODOSUM
Definition
large, painful subcutaneous nodules with overlying erythema

usually on lower extremities

more common in 15 to 30 y.o.; females more than males

Term
SCABIES
Definition
mite that burrows into skin and lays eggs

intense pruritis

contagious

burrow marks in a line

Term
CELLULITIS
Definition
bacterial infection of dermis and sub cutaneous tissue

red, hot, and tender

usually staph, strep, or H.flu. entering through break in skin

Term
KAPOSI'S SARCOMA
Definition
malignancy

often associated with AIDS

many forms and locations

can be red, blue, black in color

can be internal

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