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Session 2 CM derm2

CM-Derm -2- description of lesions touro

often the initial lesion before the patient or nature has had the chance to change it (by scratching, medication, etc.) Primary lesions
often the "modifications" of the primary lesion Secondary lesions
flat, non-palpable, <1 cm circumscribed discoloration (solar lentigo) macule
a macule >lcm (vitiligo) patch
solid, elevated lesion <lcm (milium) papule
a papule> lcm (psoriasis) plaque
a palpable, solid, round or ellipsoidal lesion with increased dermal involvement; depth differentiates this from a papule (dermatofibroma) nodule
general term for any mass; indicates a large nodule (lipoma) tumor
circumscribed, elevated, pus-containing lesion (acne) pustule
elevated, fluid-containing lesion up to lcm (herpes) vesicle
a vesicle> lcm (bullous pemphigoid) bulla
solid, elevated, rounded or flat-topped lesion form by local, superficial, transient edema (hives/urticaria) wheal
plug of sebum and keratin in a pilosebaceous (hair) follicle (acne) comedo or blackhead
linear lesion produced by an intracutaneous animal or parasite (scabies) burrow
accumulation of stratum corneum in perceptible flakes scale
hardened deposits when serum, blood or purulent exudate dries on skin surface; characteristic of bacterial, infections crusts
loss of epidermis and part of dermis; heals with scarring ulcer
thickened skin with exaggerated skin lines often produced by rubbing lichenification
linear cleavage or cracks in the skin fissure
loss of part of the epidermis; heals without scarring erosion
connective tissue repair after dermal injury scar
superficial punctate and linear loss of epidermis from scratching excoriation
color due to melanin deposition pigmentation
decrease in amount of cells in the epidermis and/or dermis with resultant thinning atrophy
ring shaped, implies area of central clearing annular
circular or round circinate
disc-shaped discoid
snake like serpiginous
bull's eye-like targetoid
confluent/coalescing lesions run together
discrete lesions remain separate
generalized widespread eruption
grouped lesions cluster together
grouped vesicles, particularly in case of herpes infections herpetiform
lesions in lines linear
entire skin affected universal
linear arrangement along a nerve/dermatome zosteriform
implies redness from vascular dilation erythematous
decreased pigmentation hypopigmented
increased pigmentation, of brown in color hyperpigmented
violaceous purple
melanotic black
painful, fluctuant soft-tissue swelling abcess
sack that contains a semisolid substance or fluid cyst
punctate bleeding into the skin petechiae
bleeding into the skin pupura
permanent dilation of superficial vessels telangiectasia
verrucous/vegetative rough, warty
Created by: smaxsmith