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50 Cards in this Set
- Front
- Back
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A flat, circumscribed discoloration that can be blue, brown, red, or hypopigmented. Non-palpable <1cm in size.
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Macule
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What is an example of a macule?
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Becker's Nevus
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Flat, circumscribed, discolored, nonpalpable lesion. >1cm
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Patch
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An elevated, solid lesion that is palpable. Color varies. Palpable.It is confined to the dermis. Up to 1cm in diameter.
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Papule
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What is an example of a papule?
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Wart
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Circumscribed, superficial, elevated, solid lesion. Often formed by the influence of papules. They involve the epidermis only. >1cm
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Plaque
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What is an example of a Plaque?
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Psoriasis
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A circumscribed, elevated, solid lesion that extends into the dermis.
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Nodule
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What is an example of a nodule?
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Neurofibromatosis
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Circumscribed collection of leukocytes (pus). Varies in size.
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Pustule
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What is an example of a pustule?
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Folliculitis
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Circumscribed collection of free fluid. They involve only the epidermis. Up to 1cm on diameter
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Vesicle
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What is an example of a Vesicle
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Herpes Simplex
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A circumscribed, superficial collection of free fluid. >1cm in diameter
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Bulla (blister)
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What is an example of a bulla?
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Herpes Zoster
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A firm edematous plaque resulting from infiltration of the dermis with fluid. They are transient and may only last a few hours.
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Wheal (urticaria)
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What is an example of a wheal?
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Hives
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Excess dead epidermal cells that are produced by abnormal keratinization and shedding. May be seen in any chronic dermatitis.
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Scales
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What is an example of scales?
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Psoriasis
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A collection of dried serum and cellular debris. Also known as a scab.
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Crust
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What is an example of a crust?
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Impetigo (e.g. crust around the lips)
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Thick, palpable, upraised, dry necrotic tissue or "slough".
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Eschar
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A focal loss of epidermis. Do not penetrate below the dermoepidermal junction and heal without scarring.
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Erosion (skin peeling off)
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What is an example of an erosion?
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Tinea pedis
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A focal loss of epidermis and dermis; they heal with scarring
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Ulcers
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What is an example of an ulcer
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Chanroid
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A linear loss of epidermis and dermis, with sharpy defined, almost vertical walls.
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Fissure
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What is an example of a fissure?
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Eczema
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A depression in the skin resulting from the thinning of the epidermis or dermis.
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Atrophy
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What is an example of Atrophy?
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Topical and intralesional steroids
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An abnormal formation of connective tissue implying dermal damage.
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Scar (cicatrix).
After injury or surgery, scars are thick and pink but with time they become pink and atrophic. |
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What is an example of a scar?
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Keloid (hypertrophic scar)
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Softening and whitening of the skin that is constantly wet due to chronic water or urine exposure, edema, ointments, or barrier dressings.
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Maceration
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An erosion caused by scratching- often linear.
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Excoriation.
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A plug of sebaceous and keratinous material lodged in the opening of a hair follicle; the follicular orifice may be dilated (blackhead) or narrowed (whitehead or closed comedone)
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Comedone
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A circumscribed lesion with a wall and a lumen; the lumen may contain fluid or solid matter.
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Cyst
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A small, superficial keratin cyst with no visible opening
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Milia
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A narrow, elevated, tortuous channel produced by a parasite
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Burrow
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An area of thickened epidermis induced by scratching; the skin lines are accentuated so that the surface looks like a washboard
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LICHENIFICATION
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Dilated superficial blood vessels often with skin thinning
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TELANGIECTASIA
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A circumscribed, upraised deposit of blood less than 0.5 cm in diameter that does not blanch
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Petechiae
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A circumscribed, upraised deposit of blood GREATER than 0.5 cm in diameter that does not blanch
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Purpura
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Bruises, more extensive than purpura, round or irregular and flat.
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Ecchymosis
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Diffuse redness of the skin caused by inflammation
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Erythema
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focal urticaria secondary to stroking or scratching in the distribution of the pressure
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Dermatographism
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Rapid swelling of a lesion after pressure is applied
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Darier's Sign
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Epidermal shearing with minimal lateral pressure in seemingly uninvolved skin
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Nikolsky's Sign
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Appearance of multifocal pinpoint bleeding after removing a plaque or crust
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Auspitz sign
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Appearance of lesions along areas of irritation
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Koebner phenomenon
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What is an example of Telangiectasia?
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Telaniectasia rosacea (diffuse redness on the nose)
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