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| A localized zone of inflammation due to staphylococcal infection in which pus forms in a tissue space walled off from surrounding tissues by fibrin, coagulated tissue fluids, and eventually fibrous tissue |
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| Local or widespread loss of scalp hair |
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| The ripping or tearing away of a part |
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| Inflammation of one or both eyelids. |
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| A blister; a fluid-filled epidermal sac larger than a vesicle. |
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| A spreading lesion made up of furuncles communicating by subcutaneous passages. |
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| A type of infection occurring in soft tissues incuding, the skin, whose cardinal features are diffuse and spreading tissue swelling, redness, pain and fever, often caused by streptococci |
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| A zone of fibrous tissue occurring at the site of a healed injury or inflammatory or destructive lesion extending into the dermis. |
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| A hard, friable, irregular layer of dried blood, serum, pus, tissue debris or any combination of these adherent to the surface of injured or inflammed skin; a scab |
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| A cryosurgical instrument containing a circulating refrigerant, which can be rapidly chilled so as to deliver sub freezing temperature to tissues. |
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| A general term for any abnormal condition of the skin, but usually excluding inflammatory conditions, which are called dermatitis |
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| The property of abnormally sensitive skin by which strokes or writing with a pointed object are reproduced on the skin surface as raised red lines |
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| Consisting of small, flat plaques |
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| A surface defect in the epidermis produced by rubbing or scratching. |
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| The crust that forms on a burn |
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| An increase in the severity of a disease, particularly when occurring after a period of improvement (remission). |
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| Abrasion of the epidermal surface by scratching. |
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| A linear defect or crack in the continuity of the epidermis. |
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| Crumbly; fragmenting or bleeding easily on touch or manipulation; said usually of diseased tissue. |
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| A deep, solitary abscess. |
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| Overgrown, usually as a result of increase in the size of cells. |
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| A firm, nodular, irregular, often pigmented mass of fibrous tissue representing a hypertrophic scar. |
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| Thickening, coarsening, and pigment change of skin due to chronic irritation, usually scratching. |
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| A flat patch or mark differing in color from surrounding skin. |
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| Pertaining to or situated on the cheeks. |
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| (1) A pigmented lesion of the skin. (2) A skin lesion present since birth (birthmark). |
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| Hidden; not obvious, but sometimes able to be inferred from indirect evidence. |
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| A small elevated zone of skin. |
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| A small depression in the skin resulting from local atrophy or scarring after trauma or inflammation. |
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| Pertaining to the sole of the foot. |
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| General term for any purulent infection of the skin. |
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| Enlargement and deformity of the external nose, usually as a result of rosacea. |
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| A flake of epidermis shed from the skin surface. |
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| Pertaining to telangiectasia; a permanent dilation of small blood vessels, visible through a skin or mucous surface. |
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| A cutaneous defect extending into the dermis. |
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| An animal (for example, a rat) that transmits a pathogenic organism from one host to another. |
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Definition
| A small thin-walled sac containing clear fluid. |
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| The characteristic lesion of hives. A small zone of edema in skin, which may appear red or white; wheals are typically multiple and appear and disappear abruptly. |
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| Total removal of a part, normal or abnormal, by surgical or chemical means. |
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| Complete excision or removal of a skin lesion. In addition, some adjacent normal-appearing tissue is also removed for comparison. |
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| Partial removal of a lesion by making an incision into the lesion and removing a section of it as well as some adjacent normal-appearing tissue for comparison. |
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Definition
| Removal of one section of a lesion using a sharp surgical instrument known as a punch. |
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| Removal of all or part of a skin lesion. The tissue is sent to the pathology laboratory for histologic diagnosis and to determine whether it is malignant. |
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| The application of liquid nitrogen (at a temperature of minus 196 degrees Celsius) to destroy superficial skin lesions. |
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Definition
| Local treatment of neoplasms or other lesions by freezing. |
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| Successive scraping away of dead skin down to viable tissue that bleeds, especially for burns. |
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| Inspection of red or purplish lesions through a transparent plastic or glass plate, which compresses the skin. If the color is due to dilated blood vessels, it blanches with compression; color due to deposition of pigment, including blood pigment, in tissues is not altered by surface pressure. |
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| The application of an electrical current to destroy superficial skin lesions. |
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| A section of skin transplanted to an area of the body. |
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| The injection into the intradermal layer of the skin of a chemical or other type of substance known to produce an allergic reaction in sensitive individuals. This creates a wheal which is outlined with a pen and/or measured. The area is examined again in 30 minutes. A reddened, enlarged area at the site of the injection indicates a positive allergic reaction to that chemical or allergen. |
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| The application to the skin of a piece of filter paper containing a chemical of other type of sbustance known to produce an allergic reaction in sensitive individuals. Many patches are taped to the skin and labeled. After 24-48 hours the skin underneath is examined. Reddened, raised areas of skin indicate a positive allergic reaction to that chemical or substance. |
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| Surgery concerned with the restoration, reconstruction, correction, or improvement in the shape and appearance of body structures that are defective, damaged, or misshapen by injury, disease, growth, development, or aging. |
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Definition
| The application, to a superficial scratch made in the skin, of a chemical or other type of substance to produce an allergic reaction in sensitive individuals. Many scratches are made in the skin and the area is examined again in 30 minutes. Any reddened, raised areas of skin indicate a positive allergic reaction. |
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| An ultraviolet lamp with a filter that selects wavelengths under which certain funguses infecting skin or hair flouresce brightly. |
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Definition
| May identify underlying, perhaps systemic, conditions or provide additional information about the skin disorder. |
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| Exudate, pus, crusts, or scrapings for bacteria, fungi, or viruses. |
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Term
| MICROSCOPIC EXAMINATION OF SCRAPINGS FROM THE SKIN |
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Definition
| To identify fungal material, the mites of scabies, and distinctive kinds of scales; skin scrapings are usually treated with potassium hydroxide (KOH) and heat, which partially or completely dissolve human tissue but leave fungal elements unchanged. |
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