Solid lesions can be described as either a papule, plaque, nodule, or wheal. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the surrounding tissue. Aug 20, 2019 a papule is a raised area of skin tissue thats less than 1 centimeter around. Macules are circumscribed alterations in skin color.
A macule is a small, flat, red area of discoloration, and a papule is a small, red, raised lesion. A discolored spot or area on the skin that is not elevated above the surface and is characteristic of certain conditions, such as smallpox, purpura, or roseola. Learn what causes petechiae and what to do if you see them on yourself or your child. They are entirely flat and can only be appreciated by visual inspection. Large brown macule with irregular coast of maine jagged borders in a girl with albright syndrome. A macule is a discolored patch of skin that is not elevated and is less than one centimeter in diameter. The numerous descriptive terms used in dermatology can be overwhelming and at times confusing as there are some variations in the use and meaning of these words in the literature. Macular definition, a spot or blotch, especially on ones skin. Definition msh a medicated adhesive patch placed on the skin to deliver a specific dose of medication into the bloodstream.
Full article a patch is a large macule equal to or greater than 1cm in diameter. This entry appears with permission from the dictionary of cell and molecular biology 11 mar 2008 lexicographical neighbors of macule. Description of skin lesions and dermatologic disorders learn about from the merck manuals medical professional version. Patch flat lesion greater than 1 cm, without elevation or depression. Plaque flat, elevated lesion, usually greater than 1 cm. Definition nci a patch intended for administration to the skin. Vitiligo, portwine stain, mongolian spot, cafe au lait. A cutaneous condition is any medical condition that affects the integumentary systemthe organ system that encloses the body and includes skin, hair, nails, and related muscle and glands. Ventral forewing duller than dorsum, distinctly brown caudad of cua.
Secondary lesion modification of a primary lesion that results from evolution of the. A cafeaulait macule is a common birthmark, presenting as a hyperpigmented skin patch with a sharp border and diameter of 0. Macules are flat, nonpalpable lesions usually patch is a large macule. Macule definition of macule at a free online dictionary with. Primary lesions macule patch papule plaque nodule tumor vesicle bulla pustule cyst secondary lesions scale crust excoriationlichenificationmaceration fissure erosion ulcer distinct lesions whealhive burrow comedone atrophy keloid fibrosis petechiae telangiectasis milium macule. It can appear in a variety of shapes, colors, and sizes. The most distinctive feature of a maculopapular rash is the pattern of macules and papules. Macule article about macule by the free dictionary. A patch is a large macule equal to or greater than either 5 or 10 mm across, depending on ones definition of a macule. Macule meaning and definition in medical terminology.
A macule is a circumscribed flat area of skin, different in color or texture from its surrounding tissue. The skin surface is neither elevated or depressed in relation to the surrounding skin. A circumscribed change in the color of skin that is neither raised nor depressed. Macule definition is a patch of skin that is altered in color but usually not elevated. Macules definition of macules by the free dictionary. A discolored spot or area on the skin that is not elevated above the surface and is characteristic of certain conditions, such. Some might choose no medical treatment, opting for coverups such as makeup.
A macule is a change in skin color, without elevation or depression and. Description of skin lesions merck manuals professional edition. Acuminate pointed domeshaped rounded filiform threadlike flattopped. Macule disease definition,meaning online encyclopedia. When you patch something, you repair it, like when you patch a hole in the knee of your favorite jeans or when road crews use asphalt to patch a pothole in the street.
Study w definition first quizlet does not allow the term to be a picture terms in this set 56. For the term macule may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skins surface. Full article macule definition of macule at a free online dictionary with.
It usually does not include a change in skin texture or thickness. To make sure what type of treatment is needed, if any, they will usually do a skin biopsy to confirm if it is melanotic macule or another medical condition that could be precancerous. If the melanotic macule begins to change in texture, color, or shape it may be a cause for concern and should be check by either your physician or dermatologist. If the lesion is flat, then it will be either a macule or patch. Macules are flat, nonpalpable lesions usually medical, or any other professional. Macules definition of macules by medical dictionary.
Identifying the primary lesions, whenever possible, is the first step towards identification of the disease or cutaneous process. His clinical interests include dermatology, preventative medicine, and acute care. A spot, only commonly met in the construct immaculate meaning unspotted. Macule flat lesion less than 1 cm, without elevation or depression. A macule is a flat, distinct, discolored area of skin less than 1 centimeter cm wide. Patch a large area of colour change, with a smooth surface. Tiny red spots on your skin could be a sign of an infection, injury, or a medication side effect. A maculopapular rash consists of macules and papules. A macule that is greater than 1cm in diameter is technically called a patch.
Identification and classification of a patients skin lesions are important steps in the diagnosis of any skin disorder. A papule is a raised area of skin tissue thats less than 1 centimeter around. Nov 26, 2019 a macule is a flat, distinct, discolored area of skin less than 1 centimeter cm wide. Morphology and terminology of skin lesions clinical. Macules often require no treatment, but laser surgery, cryosurgery, and regular surgical excision of the macule can be. Description of skin lesions dermatologic disorders. Primary lesion a lesion directly associated with the disease process that is described with established dermatological terminology. Macules are completely flat and can only be appreciated by visual inspection and not by touch. A macule is a change in skin color, without elevation or depression and, therefore, nonpalpable, well or illdefined, variously sized but, by convention, less than one centimeter in diameter at the widest point. Vesicle elevated, fluidfilled lesion, usually less than 1 cm. Morphology the form or structure of an individual skin lesion. It is a commonly observed skin condition that is seen in many children and adults. Primary lesions include the macule, papule, patch, plaque, vesicle, bulla, nodule, tumor, wheal, and pustule. In this lesson, learn the definition of a macule as well as available treatment options.
Note macular vision refers to the macula lutea yellow spot, or simply as the. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skins. Study w definition first quizlet does not allow the term to be a picture. Macule, papule, patch, plaque, vesicle, bulla, and others secondary lesion modification of a primary lesion that results from evolution of the primary lesion, traumatic injury, or other external factors. Dichiara, phd, is a former research scientist and published writer specializing in oncology. Macule a small patch of skin that is altered in colour but is not elevated. Physicians refer to flat skin spots on the skin as macules, as opposed to papules. A macule is a flat, distinct, discolored area of skin. Patches may have some subtle surface change, such as a fine scale or wrinkling, but although the consistency of the surface is changed, the lesion itself is not palpable. Information and translations of macule in the most comprehensive dictionary definitions resource on the web. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the. Below you will find example usage of this term as found in modern andor classical literature.
Melanotic macules of oral mucosa are observed on the lips, in the mouth, on the tongue, etc. Dorlands illustrated medical dictionary 27th edition. They are basically little spots or blemishes in the skin. With special reference to social workers by richard clarke cabot 1916 macule means a red or brown spot on the skin.
Dec 11, 2018 the word macule comes from the latin macula meaning a small spot or blemish. If it is macular, you cannot feel the involved area. Secondary lesions are a modification of primary lesions. Macule, papule, patch, plaque, vesicle, bulla, and others. Description of skin lesions dermatologic disorders merck.
Small circumscribed changes in the color of skin that are neither raised elevated nor depressed. Definition chv, a patch of skin that is discolored but not usually elevated. Rashes can have macules, patches flat spots at least 1 cm in size. Macule definition of macule by the free dictionary. It doesnt involve any change in the thickness or texture of the skin. Note the macula lutea yellow spot, or simply as the macula, is a spot in the retina where vision is keenest. The word macular comes from the latin macula meaning a small spot or blemish. Papule definition is a small solid usually conical elevation of the skin. Transdermal patch definition msh a medicated adhesive patch placed on the skin to deliver a specific dose of medication into the bloodstream. Doru paul, md, is boardcertified in internal medicine, medical oncology, and hematology. Examples include freckles, flat moles, tattoos, and portwine stains, and the rashes of rickettsial infections, rubella, measles can also have papules.