This dark area could be a melanotic macule, which is a noncancerous dark patch on the skin called hyperpigmentation of a mucous membrane. Solid lesions can be described as either a papule, plaque, nodule, or wheal. Mass located in dermis or subcutaneous fat may be solid or soft. Description of skin lesions dermatologic disorders. Doru paul, md, is boardcertified in internal medicine, medical oncology, and hematology. Macule, papule, patch, plaque, vesicle, bulla, and others. Define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura categories. This image is a derivative work of the following images. This file is licensed under the creative commons attributionshare alike 3. A circumscribed change in the color of skin that is neither raised nor depressed. Maculopapular rash may be mistakenly called macule, papule, patch, nodule, plaque, vesicle, or pustule. Angela palmer is a licensed esthetician specializing in acne treatment.
A papule, a bulla, and a vesicle are all small, raised lesions on top of the skin. What do you get when you cross the marvel universe and a dictionary. Morphology the form or structure of an individual skin lesion. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the. P 196 198 abnormal findings macule vs patch flat non palpable.
Dermatology for the nondermatologist may 30 june 3, 2018 2 fundamentals of dermatology daniel j. A raised, erythematous, edematous papule or plaque, usually representing. Secondary lesion modification of a primary lesion that results from evolution of the. As a verb macule is printing to blur or be blurred. A raised, erythematous, edematous papule or plaque, usually representing shortlived vasodilatation and vasopermeability. Papule definition is a small solid usually conical elevation of the skin. Without knowing exactly what you have it is very difficult to know the actual frequency, but numerous individuals present with rashes of differing nature.
Physicians refer to flat skin spots on the skin as macules, as opposed to papules. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skins surface. As a noun papule is a small, inflammatory, irritated spot on skin. Small solid rounded bumps rising from the skin that are each usually less than 1 centimeter in diameter less than 38 inch across the term papule is derived from latin from papula, a pimple dermatologists call any small solid circumscribed bump in the skin a papule, as opposed to a vesicle which contains fluid or a macule which is flat and even with the. Macule and patch papule and plaque vesicle and bulla pustule and cyst nodule and tumor wheal telangiectasia. Macule and patch papule and plaque ulcers, fissures, and erosions vesicles and bulla. It doesnt involve any change in the thickness or texture of the skin. Macule a small patch of skin that is altered in colour but is not elevated. Papules can be brown, purple, pink or red in color, and can cluster into a papular rash.
Study w definition first quizlet does not allow the term to be a picture. Apr 21, 2020 a patch is a primary lesion that is similar to the macule, but takes up a bigger area of the skin. The dermatology community has a bit of a split on this issue 0. A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in area from a pinhead to 1 cm. A papule is a raised area of skin tissue thats less than 1 centimeter around. A macule is a discolored patch of skin that is not elevated and is less than one centimeter in diameter. A macule that is greater than 1cm in diameter is technically called a patch. Plaque a large flatter elevation of the skin, sometimes formed by papules coalescing. Macules definition of macules by medical dictionary. Larger nonblisterform elevated lesions may be termed nodules. They may open when scratched and become infected and crusty.
Click to zoom diffuse papular eruption the ventrum of a dog with dermatophytosis. It can be brown, purple, pink or red in color, and can cluster into a papular rash. Dec 11, 2018 the term papule is derived from latin from papula, a pimple. Identifying the primary lesions, whenever possible, is the first step towards identification of the disease or cutaneous process. Raised lesion less than 510 mm larger than 10mm plaque or nodule wart, actinic keratosis patch. A macule is a flat, distinct, discolored area of skin less than 1 centimeter cm wide. Macule,papule, vesicle, pustule, plaque terminology of skin lesions according to morphology of lesion as shown in the table lets go in to a. Examples include freckles, flat moles, tattoos, and portwine stains, and the rashes of rickettsial infections, rubella, measles can also have papules and plaques, and some allergic drug eruptions. Define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura. Larger nonblisterform elevated lesions may be termed nodules papules are sometimes associated with other. Here you can read posts from all over the web from people who wrote about macule and nodules, and check the relations between macule and nodules.
The dermatologist will carefully feel individual lesions, noting surface and deep characteristics. A plaque is an elevation of the skin that is usually flat and wider than it is tall. A flat topped, elevated area of the skin larger than 510mm, may be formed from coalescence of papules, psoriasis, seborrheic keratosis primary skin lesions. A patch is a large macule equal to or greater than either 5 or 10 mm across, depending on ones definition of a macule. P 196 198 abnormal findings macule vs patch flat non.
These are really variations of papules, nodules or plaques that are evanescent. To differentiate these skin lesions from each other, here are the pictures of each. Larger nonblisterform elevated lesions may be termed nodules papules may have different shapes and are. Primary lesion a lesion directly associated with the disease process that is described with established dermatological terminology. Choose from 44 different sets of macule flashcards on quizlet. Fundamentals of dermatology describing rashes and lesions. Dichiara, phd, is a former research scientist and published writer specializing in oncology. As their respective definitions indicate, the main difference between macular and papular rashes is that, in macular rashes, the lesions are not elevated from the skin level, while in papular rashes, the lesions have elevated edges from the skin level.
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. Primary lesions macule patch papule plaque nodule tumor vesicle bulla pustule cyst. Maculopapular rash pictures, causes, diagnosis 2020. Papules form when there is a high break in the follicle wall. As nouns the difference between macule and papule is that macule is a spot while papule is a small, inflammatory, irritated spot on skin. Apr 24, 2015 macule,papule, vesicle, pustule, plaque terminology of skin lesions according to morphology of lesion as shown in the table lets go in to a bit detail divided in to 4 groups 1. Secondary lesions are a modification of primary lesions. Dermatology harriet lane handbook unbound medicine.
If the lesion is flat, then it will be either a macule or patch. Difference between macular and papular rash compare the. Mar 21, 2018 a papule is a raised white lesion that is essentially less than 0. Dermatologists call any small solid circumscribed bump in the skin a papule, as opposed to a vesicle which contains fluid or a macule which is flat and even with the surrounding skin. Primary lesions include the macule, papule, patch, plaque, vesicle, bulla, nodule, tumor, wheal, and pustule.
Oct 24, 2008 define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura categories. 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. The elevation may be accounted for by metabolic deposits, infiltrates, or hyperplasia of cellular elements, etc. Patches are generally larger than one cm, while a macule is typically smaller than one cm. Nov 26, 2019 a macule is a flat, distinct, discolored area of skin less than 1 centimeter cm wide. Papules most often result from the local accumulation of inflammatory cells. Papule is a solid, elevated lesion with no visible fluid which may be up to. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the surrounding tissue. Papule and plaque a papule is a circumscribed, solid elevation of skin with no visible fluid, varying in area from a pinhead to 1 cm. Papule a small solid elevation of the skin less than 1 cm in diameter. Well demarcated red plaque rough, scaling or moist surface. Description of skin lesions merck manuals professional edition.
Macules are completely flat and can only be appreciated by visual inspection and not by touch. Papules may open when scratched and become infected and crusty. A patch is a primary lesion that is similar to the macule, but takes up a bigger area of the skin. According to rdh magazine, this common oral condition is present in 3 percent of the general population and is caused by a localized increase in the production of pigment.
Without knowing exactly what you have it is very difficult to know the actual frequency, but numerous. Define macule patch papule plaque nodule cyst vesicle. Pruritic, erythematous, annular patch, or plaque with central. Terms in this set 36 what are the first degree skin lesions.
1403 434 326 1259 1000 675 897 575 1038 498 432 469 1463 680 143 115 1447 813 925 1033 552 548 1236 540 1204 172 1470