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. Papule definition is a small solid usually conical elevation of the skin. Solid lesions can be described as either a papule, plaque, nodule, or wheal. 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 patch. These are really variations of papules, nodules or plaques that are evanescent. A patch is a large macule equal to or greater than either 5 or 10 mm across, depending on ones definition of a macule. Define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura categories. Macule,papule, vesicle, pustule, plaque terminology of skin lesions according to morphology of lesion as shown in the table lets go in to a.
If it is macular, you cannot feel the involved area. It can be brown, purple, pink or red in color, and can cluster into a papular rash. A macule that is greater than 1cm in diameter is technically called a patch. Larger nonblisterform elevated lesions may be termed nodules. All told, there are four types of skin cancer or precancer, each with its own characteristics appearance. A papule is a raised area of skin tissue thats less than 1 centimeter around. Macules definition of macules by medical dictionary. A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in area from a pinhead to 1 cm. Synonyms for macule at with free online thesaurus, antonyms, and definitions. Examples include freckles, flat moles, tattoos, and portwine stains, and the rashes of rickettsial infections, rubella, measles can also have papules.
Rashes can have macules, patches flat spots at least 1 cm in size, papules raised skin lesions less than 1 cm in size, plaques raised skin. Description of skin lesions dermatologic disorders. For example, macules can be moles which are hyperpigmented, or darker. The skin surface is neither elevated or depressed in relation to the surrounding skin. Define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura. Raised lesion less than 510 mm larger than 10mm plaque or nodule wart, actinic keratosis patch. A solid, rounded growth that is elevated from the skin. Here are some common examples of dermatological findings and their associated. Papules can be brown, purple, pink or red in color, and can cluster into a papular rash. A flat topped, elevated area of the skin larger than 510mm, may be formed from coalescence of papules, psoriasis, seborrheic keratosis primary skin lesions. Macules are circumscribed alterations in skin color.
A system of practical medicine by american authors. That is, with your eyes closed, you cannot discern a boundary to the lesional area. Papules definition of papules by medical dictionary. Macule is just a word that doctors use to describe what they see on the skin. Definition nci a patch intended for administration to the skin.
Macules often require no treatment, but laser surgery, cryosurgery, and regular surgical excision of the macule can be. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skins surface. Transdermal patch definition msh a medicated adhesive patch placed on the skin to deliver a specific dose of medication into the bloodstream. Primary lesions macule patch papule plaque nodule tumor vesicle bulla pustule cyst secondary lesions scale crust excoriation lichenification maceration fissure erosion ulcer distinct lesions whealhive burrow comedone atrophy keloid fibrosis petechiae. Started in 1995, this collection now contains 6767 interlinked topic pages divided into a tree of 31 specialty books and 732 chapters. A macule is not, in and of itself, a sign of skin cancer. Define macule patch papule plaque nodule cyst vesicle. Chigger bites on human skin showing characteristic welts.
They may open when scratched and become infected and crusty. Description of skin lesions dermatologic disorders msd manual. Papules may open when scratched and become crusty and infected images eczema browse our medical image collection of allergic skin disorders such as psoriasis and dermatitis and more caused by allergies see images. Papule definition, a small, somewhat pointed elevation of the skin, usually inflammatory but nonsuppurative. Definition msh a medicated adhesive patch placed on the skin to deliver a specific dose of medication into the bloodstream. This macule, plaque, or patch of diseased integument is in its typical features characteristic. Macule a small patch of skin that is altered in colour but is not elevated. Papules may open when scratched and become infected and crusty. Typical flattopped papules on volar wrists in lichen planus.
A discrete, solid, elevated body usually less than or equal to 0. Primary lesion a lesion directly associated with the disease process that is described with established dermatological terminology. A nodule is a circumscribed elevation of the skin larger than a papule 1 cm. Macule, papule, patch, plaque, vesicle, bulla, and others. Blushing is another example of hyperemia induced by neurogenic mechanisms. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the surrounding tissue.
The classical or multiple form was first described by hoffmann and zurhelle in the year 1921 9 as groups of multiple, nontender, soft, pedunculated, cerebriform, yellowish or skincoloured papules, nodules, or plaques. As a verb macule is printing to blur or be blurred. Macule definition is a patch of skin that is altered in color but usually not elevated. Macules are flat, nonpalpable lesions usually patch is a large macule. If you have a skin lesion or many that is flat and less than 1. Fundamentals of dermatology describing rashes and lesions. Papule definition of papule by the free dictionary. Plaque is sticky white stuff on your teeth in which bacteria live, a wood or metal object that is often used to commemorate or memorialize. 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. Study w definition first quizlet does not allow the term to be a picture. Watch this lesson to learn more about what it looks like, what causes it to form, and how to treat it should one form on you. Papules are further classified by shape, size, color, and surface change. Morphology the form or structure of an individual skin lesion. If the lesion is flat, then it will be either a macule or patch.
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