Full article macule definition of macule at a free online dictionary with. Macule flat lesion less than 1 cm, without elevation or depression. Robert miller, especially in the areas of cosmetic, surgery, and medicine. The main presenting signs of dermatologic disease are things that are noticed by. Description of skin lesions dermatologic disorders merck. Consistency may be soft, firm, hard, fluctuant or sclerosed scarred or boardlike. Macules are flat, nonpalpable lesions usually patch is a large macule. Patch a large area of colour change, with a smooth surface.
Primary lesion a lesion directly associated with the disease process that is described with established dermatological terminology. Dermatology dictionary primary care dermatology society uk. A patch is a large area of colour change bigger than a macule with a smooth surface. Below you will find example usage of this term as found in modern andor classical literature. In the glossary listings below the lesion name will be followed by a p if it may. Rash is a general term for a temporary skin eruption. Raised papule nodule primary care dermatology society. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the.
Flat lesion papule or plaque caused by swelling in the dermis. On standard definitions of individual skin lesions. Maculopapular rash pictures, causes, diagnosis 2020. Dermatology harriet lane handbook unbound medicine. Key descriptive elements 1 definition and morphology of the lesion, 2 location. The 2016 international league of dermatological societies. Solid lesions can be described as either a papule, plaque, nodule. Pigmented birthmarks that are uniform light to dark borwn colors and are usually oval in shape. The elevation may be accounted for by metabolic deposits, infiltrates, or hyperplasia of cellular elements, etc. Macules are completely flat and can only be appreciated by visual inspection and not by touch. Patch flat lesion greater than 1 cm, without elevation or depression. Fundamentals of dermatology describing rashes and lesions camls. A nodule is an enlargement of a papule in three dimensions height, width and length. A patch is a large macule equal to or greater than either 5 or 10 mm across, depending on ones definition of a macule.
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. 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. Pance dermatology definitions and pictures flashcards. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the surrounding tissue. Macule definition of macule by the free dictionary. Larger nonblisterform elevated lesions may be termed nodules papules are sometimes associated with other features such as crusts. A flat, circumscribed, nonpalpable lesion that differs in colour from the surrounding skin. Consult your dermatologist for this type of treatment. Dec 11, 2018 the term papule is derived from latin from papula, a pimple. Fundamentals of dermatology describing rashes and lesions. Oct 24, 2008 define macule patch papule plaque nodule cyst vesicle bullae pustule lichenification erythema purpura categories. A macule is a change in epidermis color, without elevation or depression and, therefore, nonpalpable, well or illdefined 1, variously sized but, by convention, less than ten milimeters in diameter at the widest point. Patch tests, by contrast, can diagnose eczema response in some cases such as allergies to skin care products. A solitary eryethematous patch, plaque, erosion or bullae occruing.
Papules can be brown, purple, pink or red in color, and can cluster into a papular rash. Dermatology definitions papule small raised lesion macule small flat. 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 papule. 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 surrounding skin. The simplest and commonest variety of macule is that caused by. Dermatology glossary of terms a list of the most commonly used key terms and phrases in dermatology. Papule is a solid, elevated lesion with no visible fluid which may be up to. 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. They are irregular polymeric structures and are divided into three groups.
Edematous papule or plaque caused by swelling in the dermis. Here are some common examples of dermatological findings and their. The images below provide a quick diagnostic guide to the conditions in this group. Examples include freckles, flat moles, tattoos, and portwine stains, and the rashes of rickettsial infections, rubella, measles can also have papules. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skins. Macule uniform tan, brown, or black compound nevus.
The terms macule, papule, patch, and plaque should instantly convey a distinct morphologic character to a colleague. Maculopapular rash may be mistakenly called macule, papule, patch, nodule, plaque, vesicle, or pustule. Plaque flat, elevated lesion, usually greater than 1 cm. Lewis and colleagues propose 11 terms that they deem sufficient to describe fundamental lesions of the skin. A cyst is a papule or nodule that contains fluid and so is fluctuant although it may be tense. Terminology of skin lesions dermatology medbullets.
Large macule 1 cm, also used to describe large macule with scale. Terminology of skin lesions dermatology medbullets step 23. Dermatology is the branch of medicine concerned with the skin, hair, and nails, as well as the conditions. The elevation may be accounted for by metabolic deposits, infiltrates, or hyperplasia of. With special reference to social workers by richard clarke cabot 1916 macule means a red or brown spot on the skin. Morphology the form or structure of an individual skin lesion. Dermatology for the nondermatologist may 30 june 3, 2018 2 fundamentals of dermatology daniel j. Dermatosis is a generic term for a disease of the skin. Palmar palm of hand papule an elevated skin lesion less than 0.
The macule is much less sharply defined than most of the other primary lesions. Browse our extensive dermatology glossary of terms and conditions. Papule a circumscribed, elevated, solid lesion that is less than 10. 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. Striacutisdestensae a band or streak of linear, atrophic, pink, white, or purple lesions of the skin due to changes in the connective tissue erythroderma a generalized redness of the skin vegetation a growth of pathological tissue consisting of multiple closely set papillary masses furuncle a localized pyogenic infection originating in a hair follicle ecchymosis a. 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. The skin surface is neither elevated or depressed in relation to the surrounding skin. Principles of dermatology knowledge for medical students and. The dermatology community has a bit of a split on this issue 0. The terms macule, papule, patch, and plaque should instantly convey a distinct morphologic character to a. The lesions may be hotter or cooler than surrounding skin. Pance dermatology definitions and pictures quizlet. To differentiate these skin lesions from each other, here are the pictures of each. A nodule is a circumscribed elevation of the skin larger than a papule 1 cm.
Start studying pance dermatology definitions and pictures. 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. Definitions macule impalpable coloured lesion patch impalpable coloured lesion 1cm. 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. A patch of skin that is altered in colour but is not elevated.
They may be skin coloured or red, pink, violaceous, brown, black, grey, blue, orange, yellow. The leading primary care society for dermatology and skin surgery. A patch of skin that is altered in colour but is not. Macules represent a change in color and are not raised or depressed compared to the skin surface. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Raised papule nodule primary care dermatology society uk.
Learn descriptive terms to describe skin conditions. Dermatopathology cornell university college of veterinary. Dermatology 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. 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. Macule, papule, patch, plaque, vesicle, bulla, and others. Closed epitheliallined cavity or sac containing liquid or semisolid material.
Jan 07, 2016 a patch is a large area of colour change bigger than a macule with a smooth surface. Physicians refer to flat skin spots on the skin as macules, as opposed to papules. Macule a circumscribed, flat area of discoloration that is less than 10 mm in diameter. Freckle patch a circumscribed, flat area of discoloration that is greater than 10 mm in diameter. They may open when scratched and become infected and crusty. Also called yeast infection, is a fungus skin infection occurring in the mouth, skin folds, navel, genitals, and nail beds. A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in area from a pinhead to 1 cm. Macules are focal, well circumscribed, and less than 1 cm. Also called furuncle, an acute, round, firm, and tender boil on the skin. Patch a circumscribed, flat area of discoloration that is greater than 10 mm in diameter. The average diameter, shape, colour and border should be described.
A circumscribed change in the color of skin that is neither raised nor depressed. The british journal of dermatology by british association of dermatology 1905 i have not seen this feature in the macule, but it has been described. Description of skin lesions merck manuals professional edition. Description of skin lesions and dermatologic disorders learn about from the merck manuals medical. Raised lesion less than 510 mm larger than 10mm plaque or nodule wart, actinic keratosis patch. Macules are circumscribed alterations in skin color. Without knowing exactly what you have it is very difficult to know the actual frequency, but numerous individuals present with rashes of differing nature. Macule a small patch of skin that is altered in colour but is not elevated. Description of skin lesions dermatologic disorders. Glossary includes definitions of conditions and photos for accurate references. Palpable, solid, and round or ellipsoidal lesion of dermal origin.