Shared Flashcard Set

Details

Derm Nomenclature I
Skin Lesion Nomenclature
26
Medical
Professional
01/01/2013

Additional Medical Flashcards

 


 

Cards

Term
Macule
Definition
A change in the color of the skin. It is flat, if you were to close your eyes and run your fingers over the surface of a purely macular lesion, you could not detect it.
Term
Papule
Definition
A solid raised lesion that has distinct borders and is less than 1 cm in diameter. They may have a variety of shapes in profile (domed, flat-topped, umbilicated) and may be associated with secondary features such as crusts or scales
Term
Nodule
Definition
A raised solid lesion more than 1 cm. and may be in the epidermis, dermis, or subcutaneous tissue.
Term
Tumor
Definition
A solid mass of the skin or subcutaneous tissue; it is larger than a nodule.
Term
Plaque
Definition
A solid, raised, flat-topped lesion greater than 1 cm. in diameter. It is analogous to the geological formation, the plateau
Term
Vesicle
Definition
Raised lesions less than 1 cm. in diameter that are filled with clear fluid.
Term
Bullae
Definition
Circumscribed fluid-filled lesions that are greater than 1 cm. in diameter.
Term
Pustule
Definition
Circumscribed elevated lesions that contain pus. They are most commonly infected (as in folliculitis) but may be sterile (as in pustular psoriasis).
Term
Wheal
Definition
An area of edema in the upper epidermis.
Term
Burrow
Definition
Linear lesions produced by infestation of the skin and formation of tunnels (e.g., with infestation by the scabitic mite or by cutaneous larva migrans).
Term
Telangiectasia
Definition
The permanent dilatation of superficial blood vessels in the skin and may occur as isolated phenomena or as part of a generalized disorder
Term
Scale
Definition
Consists of flakes or plates that represent compacted desquamated layers of stratum corneum.
Term
Crust
Definition
The result of the drying of plasma or exudate on the skin.
Term
Atrophy
Definition
Thinning or absence of the epidermis or subcutaneous fat.
Term
Lichenification
Definition
A thickening of the epidermis seen with exaggeration of normal skin lines. It is usually due to chronic rubbing or scratching of an area.
Term
Erosion
Definition
Slightly depressed areas of skin in which part or all of the epidermis has been lost.
Term
Excoriation
Definition
Traumatized or abraded skin caused by scratching or rubbing.
Term
Fissure
Definition
Linear cleavage of skin which extends into the dermis.
Term
Ulceration
Definition
When there is necrosis of the epidermis and dermis and sometimes of the underlying subcutaneous tissue.
Term
Scar
Definition
The permanent fibrotic changes that occur on the skin following damage to the dermis.
Term
Eschar
Definition
A hard plaque covering an ulcer implying extensive tissue necrosis, infarcts, deep burns, or gangrene.
Term
Keloids
Definition
An exaggerated connective tissue response of injured skin that extend beyond the edges of the original wound.
Term
Petechiae
Definition
A small (1-2mm) red or purple spot on the body, caused by a minor hemorrhage
Term
Purpura
Definition
The appearance of red or purple discolorations on the skin that do not blanch on applying pressure (<1 cm diameter)
Term
Ecchymoses
Definition
The appearance of red or purple discolorations on the skin that do not blanch on applying pressure (>1cm diameter)
Term
Desquamation
Definition
Occurs when there are peeling sheets of scale following acute injury to the skin.
Supporting users have an ad free experience!