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Physical Assessment Thacker
Exam 2 Skin, Hair, Nails
30
Chemistry
Graduate
04/03/2010

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Cards

Term
Macule
Definition
  • Flat, circumscribed area
  • Change in color
  • Less than 1 cm diameter
  • Ex: freckles, flat moles, petechiae, measles
Term
Papule
Definition
  • Elevated, firm, circumscribed area
  • Less than 1 cm diameter
  • Ex: warts, elevated moles, lichen planus
Term
Patch
Definition
  • Flat, nonpalpable, irregular shaped macule
  • Greater than 1 cm in diameter
  • Ex: vitiligo, port-wine stains, mongolian spots
Term
Plaque
Definition
  • Elevated, firm, rough lesion with flat top
  • Greater than 1 cm in diameter
  • Ex: psoriasis, suborrheic/actinic keratoses
Term
Wheal
Definition
  • Elevated, irregular-shaped area of cutaneous edema
  • Variable diameter
  • Ex: insect bites, urticaria, allergic reaction
Term
Nodule
Definition
  • Elevated, firm, circumscribed lesion
  • Deeper in dermis than papule
  • 1-2 cm in diameter
  • Ex: erythema nodosum, lipomas
Term
Tumor
Definition
  • Elevated, solid lesion
  • Deeper in dermis
  • Greater than 2 cm in diameter
  • Ex: neoplasms, benign tumor, lipoma
Term
Vesicle
Definition
  • Elevated, circumscribed, superficial lesion
  • Not into dermis
  • Filled with serous fluid
  • Less than 1 cm in diameter
  • Ex: varicella, herpes zoster
Term
Bulla
Definition
  • Vesicle greater than 1 cm in diameter
  • Ex: blister, pemphigus vulgaris
Term
Pustule
Definition
  • Elevated, superficial lesion
  • Similar to vesicle but filled with purulent fluid
  • Ex: impetigo, acne
Term
Cyst
Definition
  • Elevated, circumscribed, encapsulated lesion
  • In dermis or subcutaneous layer
  • Filled with liquid or semi-solid material
  • Ex: sebaceous cyst, cystic acne
Term
Telangiectasia
Definition
  • Fine, irregular, red lines produced by capillary dilation
  • Ex: rosacea
Term
Scale
Definition
  • Heaped-up, keratinized cells
  • Flaky skin
  • Ex: seborrheic dermatitis, post scarlet fever, post drug reaction, dry skin
Term
Lichenification
Definition
  • Rough, thickened epidermis secondary to persistent rubbing, itching, skin irritation
  • Often involves flexor surface of extremitiy
  • Ex: chronic dermatitis
Term
Keloid
Definition
  • Irregular shaped, elevated, progressively enlarged scar
  • Grows beyond boundary of wound
  • Caused by excessive collagen formation during healing
  • Ex: post surgery
Term
Scar
Definition
  • Thin to thick fibrous tissue that replaces normal skin following injury or laceration to dermis
  • Ex: healing wound or surgical incision
Term
Excoriation
Definition
  • Loss of epidermis
  • Linear, hollowed-out, crusted area
  • Ex: abrasion, scratch, scabies
Term
Fissure
Definition
  • Linear crack or break from epidermis to dermis
  • Ex: athletes foot, cracks at corner of mouth
Term
Erosion
Definition
  • Loss of part of epidermis
  • Depressed, moist, glistening
  • Follows rupture of vesicle or bulla
  • Ex: varicella, variola after rupture
Term
Ulcer
Definition
  • Loss of epidermis and dermis
  • Concave, varies in size
  • Ex: decubiti, stasis ulcers
Term
Crust
Definition
  • Dried serum, blood, purulent exudates
  • Slightly elevated, size varies
  • Ex: scab on abrasion, eczema
Term
Atrophy
Definition
  • Thinning of skin surface and loss of skin margins
  • Skin translucent, paper-like
  • Ex: striae, aged skin
Term
Basal Cell Carcinoma: Warning Signs
Definition
  1. Open sore > 3 weeks
  2. Reddish patch
  3. Shiny nodule
  4. Pink growth
  5. Scarlike area
Term
Squamous Cell Carcinoma: Warning Signs
Definition
  1. Wart-like growth
  2. Persistent scaly red patch
  3. Open sore
  4. Elevated growth with central depression
Term
Malignant Melanoma: Warning Signs
Definition
  1. Asymmetry
  2. Borders
  3. Color
  4. Diameter > 6 mm
Term
Clubbing
Definition
  • Associated with cardiac/respiratory diseases, cirrhosis, colitis, thyroid disease
  • Schamroth Technique -- place dorsal surface of fingertips together from right and left hand
Term
Longitudinal Ridging in Older Patients
Definition
A common nail finding
Term
Subungual Hematoma
Definition
Caused by injury
Term
Habit-tic deformity
Definition
Caused by injury
Term
Paronychia
Definition
Caused by an infection
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