Term
What is the descriptive term for this type of lesion?
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Definition
•PAPULE
–A solid, raised lesion
–Can be dome-shaped, flat, umbilicated
– < 1cm
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Term
What is the descriptive term for this type of lesion?
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Definition
•PLAQUE
–A solid, raised lesion
– > 1cm |
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Term
What is the descriptive term for this type of lesion?
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Definition
Hyperpigmented patch
•PATCH
–A change in the color of the skin (non-palpable)
– > 1cm in size
–Pink, red, blue, violaceous, brown, hypo/hyperpigmented or depigmented |
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Term
What is the descriptive term for this type of lesion?
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Definition
•TUMOR
–A large, solid mass, bigger than a nodule, can be exophytic |
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Term
What is the descriptive term for this type of lesion?
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Definition
•NODULE
–A solid, raised lesion >1cm, usually confined to the dermis or subcutaneous tissue |
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Term
What is the descriptive term for this type of lesion?
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Definition
•PUSTULE
–Elevated collection of pus
–leukocytes and serum |
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Term
What is the descriptive term for this type of lesion?
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Definition
•VESICLE
–A raised lesion filled with clear fluid
–“blister”
–Can be hemorrhagic
– <1cm in size |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Bullae
–A raised lesion filled with clear fluid
–“blister”
–Can be hemorrhagic
– > 1cm in size |
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Term
What is the descriptive term for this type of lesion?
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Definition
•SCALE
–Flakes or plates of stratum corneum
–Due to abnormal keratinization and shedding of keratinocytes |
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Term
What is the descriptive term for this type of lesion?
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Definition
•SCALE
–Flakes or plates of stratum corneum
–Due to abnormal keratinization and shedding of keratinocytes |
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Term
What is the descriptive term for this type of lesion?
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Definition
•CRUST
–Dried serum and cellular debris on the skin
–“scab” |
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Term
What is the descriptive term for this type of lesion?
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Definition
•EROSION
–Focal loss of epidermis that doesn’t penetrate basement membrane
–Heals without scar |
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Term
What is the descriptive term for this type of lesion?
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Definition
•EROSION
–Focal loss of epidermis that doesn’t penetrate basement membrane
–Heals without scar |
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Term
What is the descriptive term for this type of lesion?
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Definition
•ULCER
–Loss of epidermis and various amount of dermis or subcutaneous tissue (below basement membrane)
–Can be down to muscle or bone
–Heals with a scar |
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Term
What is the descriptive term for this type of lesion?
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Definition
•ULCER
–Loss of epidermis and various amount of dermis or subcutaneous tissue (below basement membrane)
–Can be down to muscle or bone
–Heals with a scar |
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Term
What is the descriptive term for this type of lesion?
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Definition
•FISSURE
–A linear cleavage of skin which extends into the dermis.
–“crack” |
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Term
What is the descriptive term for this type of lesion?
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Definition
•FISSURE
–A linear cleavage of skin which extends into the dermis.
–“crack” |
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Term
What is the descriptive term for this type of lesion?
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Definition
•ATROPHY
–Depression in skin resulting from thinning of the epidermis, dermis or subcutaneous fat |
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Term
What is the descriptive term for this type of lesion?
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Definition
•ATROPHY
–Depression in skin resulting from thinning of the epidermis, dermis or subcutaneous fat |
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Term
What is the descriptive term for this type of lesion?
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Definition
•EXCORIATION
–Traumatized or abraded skin caused by scratching or rubbing
–Often linear or geometric
–Often spares the midback or is limited to areas within reach of one’s hands |
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Term
What is the descriptive term for this type of lesion?
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Definition
•LICHENIFICATION
–A thickening of the epidermis due to chronic rubbing or scratching.
–Causes exaggeration of normal skin lines.
–Leathery appearance |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Papulosquamous lesions
–Lesions that are both raised and scaling
–Can be papules or plaques |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Comedones
–Plug of sebaceous and keratinaceous material lodged in opening of hair follicle
–Are open (blackheads)
or closed (whiteheads)
–Found in Acne and Favre Racouchot, Nevus comedonicus |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Comedones
–Plug of sebaceous and keratinaceous material lodged in opening of hair follicle
–Are open (blackheads)
or closed (whiteheads)
–Found in Acne and Favre Racouchot, Nevus comedonicus |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Cyst
–Circumscribed papule or nodule
–Has a wall and a lumen containing fluid or solid matter
–Can have punctum |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Cyst
–Circumscribed papule or nodule
–Has a wall and a lumen containing fluid or solid matter
–Can have punctum |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Burrow
–Narrow, elevated tortuous channel produced by a parasite |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Burrow
–Narrow, elevated tortuous channel produced by a parasite |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Petechiae
–Circumscribed extravasation of blood
–Less than 0.5 cm
–Not palpable |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Purpura
–Circumscribed extravasation of blood
–Greater than 0.5 cm
–Palpable lesions indicate leukocytoclastic vasculitis |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Telangiectasia
–Dilated superficial blood vessels
–Can be linear or “spider” type |
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Term
What is the descriptive term for this type of lesion?
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Definition
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Term
What is the descriptive term for this type of lesion?
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Definition
•Arcuate
–Portion of a ring |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Discrete
–Lesions distinct from normal skin
–Border easily distinguished – you can draw a line around it with a pen |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Clustered
–Lesions grouped together |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Confluent
–Lesions run together |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Dermatomal, Zosteriform
–Occurring in or following a dermatome |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Follicular
–Clustered around follicles |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Follicular
–Clustered around follicles |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Guttate
–Drop-like papules
–Usually scaly |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Guttate
–Drop-like papules
–Usually scaly |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
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Term
What is the descriptive term for this lesion?
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Definition
•Morbilliform
–Resembling measles. Erythematous macules and papules
–“maculopapular”
** Most common type of drug eruption; it has been reported in response to nearly every drug. Starts on the face or upper chest and can extend to limbs. Can be asymptomatic or pruritic. Begins 7-14 days after start of drug if first exposure or 1-3 days if a reexposure. Generally not life threatening and does not proceed to anaphlaxis.
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Term
What is the descriptive term for this type of lesion?
(A primary lesion with _______?)
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Definition
•Satellite Lesions
–Small papules surrounding or at the edges of a larger plaque |
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Term
What is the descriptive term for this type of lesion?
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Definition
•Target Lesions
–Concentric circles of different colors
**Target lesions are characteristic of erythema multiforme. It is a symmetric eruption with a prediliction for the palms soles, dorsal surfaces of the hand, and extensor surfaces of the forearms and legs. May be accompanied by a mild prodrome of fever, pharyngitis, and cutaneous lesions that are usually asymptomatic or may burn or itch slightly.
Pathophysiology: It is a reaction pattern to a variety of etiologic agents. The most common is herpes simplex (also drugs: sulfonamides, nsaids, penicillin, etc)
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
•Koebner Phenomenon
–Lesions occur in areas of trauma such as scratching
•Examples: Psoriasis, lichen planus, lichen nitidus, flat warts |
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Term
What is the descriptive term for the PATTERN of this lesion?
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Definition
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