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48 Cards in this Set

  • Front
  • Back
Macule
flat, less than 1cm
ie. freckle
Patch
flat, greater than 1 cm; vitiligo, café au lait (can be nothing or indicate neurofibromatosis), cellulitis (inflammation of subcu tissue)
Papule
solid, raised less than 1 cm- ie. Acne, secondary syphilis
Nodule
solid, raised greater than 1 cm but less than 2 cm, junctional nevus (mole) is overgrowth of melanocytes, neurofibroma (prolif of schwann cells)
Tumor
solid, raised greater 2 cm; lipoma (benign neoplasm), dermatofibrosarcoma protuberans)
Plaque
raised, surface area large in relation to height
greater than 1 cm; psoriasis (silvery scales), wheal (urticaria)
Wheal
raised, leakage fluid into dermis
Vesicle
luid filled, raised, less than 1 cm; reactivation of varicella Virus (shingles)
Bulla
fluid filled, raised, greater than 1 cm, burn, contact dermatitis
Pustule
raised, less 1 cm filled purulent fluid, acne
Comedo
a plug of sebum and keratin in the opening of a hair follicle, the opening can be dilated forming a blackhead, or closed forming a whitehead.
Burrow
a channel under the skin produced by a parasite, blackheads, scabies (mite)
Cyst
raised, encapsulated, in dermis or subcutaneous, filled liquid or semisolid
Abcess
accumulation of purulent material in the dermis or subcutaneous
Furuncle
A necrotizing form of inflammation of a hair follicle
Carbuncle
A coalescence of several furuncles (so several hairs)
Milia
keratin filled cysts in distal sweat gland, miliaria (infants in warm weather)
Erythema
Vascular lesion that is pink or red blanchable (press the skin it becomes white) discoloration due dilated blood vessels
Petechiae
vascular lesion that is non- blanching, less .5 cm intravascular defect
Purpura
non-blanching greater than .5 cm intravascular defect
Ecchymosis
vascular lesion that is non-blanching due to vascular destruction or vasculitis
Spider angioma
vascular lesion that is blanchable, red body with radiating legs (pregnancy)
Venous star
Vascular lesion that is non- blanchable, bluish spider (often in lips)
Telangiectasia
vascular lesion that is fine lines due to dilatation of capillaries
Capillary hemangioma
red irregular macular patch due to dilatation of capillary
Erosion
secondary change; loss of superficial epidermis
Ulcer
secondary change; loss of epidermis and at least part of dermis
Fissure
Secondary change; linear crack from epidermis to dermis. Like athlete's foot
Excoriation
secondary change; superficial linear trauma
Scaling
secondary change above skin plane; shedding stratum cornea
Crusting
Secondary change above skin plane, dried serum, pus or blood (ie. Scab)
lichenification
secondary change above skin plane, thickening and roughening (often seen on elbows)
Scar
secondary change above skin plane; - connective tissue replacement
Keloid
secondary change above skin plane; hypertrophied scar
Sclerosis
Secondary change; Diffuse or circumscribed hardening of the skin
Atrophy
secondary change; thinning of the epidermis
Vernix caseosa
Mixture of sebum and cornified epidermis covering the infant at birth
Cutis marmorata
mottled appearance to skin as result of changes in ambient temperature in an infant
Milia
small white papule that commonly occur on newborn face
Clubbing
Angle b/t nail plate and proximal nail fold approaches or exceeds 180 degrees
Lindsay's nails
Proximal half white, distal half pink. Associated with renal disease.
Terry nails
White except for narrow zone at distal tip. Associated with cirrhosis & hypoalbuminemia
Mee's line
Transverse white lines across the nail. Associated with acute illness or heavy metal poisoning
Beau's line
Transvers depression where stress or illness temporarily interrupts nail growth
Nail pitting
Associated with psoriasis
Tic habit
Central band of sharp horizontal grooving extenidng to the tip of the nail. Associated with nail biting or picking.
Spoon nail (koilonychia)
Centrall depression of nail with lateral elevation of the nail plate produces a spoon-like appearance. Associated with iron deficiency anemia, syphilis, hypothyroidism.
Tinea Unguium
fungal infection caused by dermatophytes. Yellow brittle nail with oncholysis. Nails often break or crumble.