13. A macule is a flat, distinct, discolored area of skin. Eg :- Vitiligo, melasma, pityriasis alba 12. 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. Distinct Lesions circumscribed, flat, nonpalpable, small spot of skin color change. -bulla -keloid Lesion Selectors >. Example: Freckle. The skin surface is neither elevated or depressed in relation to the surrounding skin. Primary Lesions -macule -patch Secondary -wheal/hive A macule is a change in epidermis color, without elevation or depression and, therefore, nonpalpable, well or ill-defined [1], variously sized but, by convention, less than ten milimeters in diameter at the widest point. maculae (mak'yū-lă, -lē) 1. A papule can have distinct or indistinct borders. Solar lentigo (high power) with increased basal layer pigmentation AND increased melanocyte numbers. It can appear in a variety of shapes, colors, and sizes. Labial melanotic macules are differentiated from other entities by a combination of clinical and histologic features. -burrow The change in colour may result from pigment loss or excess, erythema, or haemorrhage. -tumor A macule greater than 2 cm. May have scaling. hyperpigmented hypopigmented erythematous Larger areas of discoloration are known as patches. -comedone Macules may be of any size or color. Definition of macule : a patch of skin that is altered in color but usually not elevated … erythema migrans is defined as a skin lesion that typically begins as a red macule or papule and expands over a period of … See more. The major function of this system is as a barrier against the external environment. Dermatologists call small flat skin spots on the skin macules, as opposed to papules which are small solid bumps that rise up above the surrounding skin and vesicles which are small blisters that contain fluid (before they burst). , pl. Dermatology: An Illustrated Colour Text. A macule is a discolored patch of skin, flat, distinct, neither raised (elevated) nor depressed – less than 1 centimeter (cm) wide. The word macule comes from the Latin macula meaning a … Erythematous macules are common in inflammatory diseases of the superficial dermis, such as allergies. A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, hair, nails, and related muscle and glands. This curriculum was created by a work group of experienced dermatology educators and is based on the best available evidence. macule A small, flat, coloured spot, usually understood to mean on a surface, in particular of the skin or mucosal surface. The patient denied recent change in size or color of the lesion, prior trauma, or a personal or family history of similar lesions. © 2012 Farlex, Inc. Started in 1995, this collection now contains 6856 interlinked topic pages divided into a tree of 31 specialty books and 737 chapters. [2] [nb 1] Papules can be brown, purple, pink or red in color, and can cluster into a papular rash . A 38-year-old woman presented with an asymptomatic lesion on the abdomen. -telangiectasis A cutaneous condition is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, hair, nails, and related muscle and glands. -cyst Terms of Use. Macule A circumscribed flat area of change in colour of the skin less than 1 cm in diameter. Macule () Definition (CHV) a patch of skin that is discolored but not usually elevated: Definition (CHV) a patch of skin that is discolored but not usually elevated Term Definition 1. The macule of Plenck was inherited by Ferdinand Hebra 8 (1806-1880) and through the Vienna school of dermatology has spread around the world. Macular (skin): Adjective referring to macules which are circumscribed changes in the color of skin that are neither raised (elevated) nor depressed. Macule. Conditions of the human integumentary system constitute a broad spectrum of diseases, also known as dermatoses, as well as many nonpathologic states. PATCH - A circumscribed, flat area of discoloration that is greater than 10 mm* in diameter. A macule is a spot of discoloration on the skin which is smaller than a third of an inch (one centimeter) across. -fissure Macule. Examples include freckles, flat moles, tattoos, and port-wine stains, and the rashes of rickettsial infections, rubella, measles (can also … -lichenification Figure 3. A macule is a flat, distinct, discoloured area of skin. Patch: definition. home/medterms medical dictionary a-z list / macular (skin) definition. Example: Vitiligo. -excoriation See additional information. Dermatologists call small flat skin spots on the skin macules, as opposed to papules which are small solid bumps that rise up above the surrounding skin and vesicles which are small blisters that contain fluid (before they burst). ©1996-2020 MedicineNet, Inc. All rights reserved. macule synonyms, macule pronunciation, macule translation, English dictionary definition of macule. -petechiae Macule definition: → macula | Meaning, pronunciation, translations and examples Macule doesn’t alter the texture and thickness of the skin. These blemishes or skin discoloration is caused by various causes. in diameter is called a patch. -plaque Macule: what kind of pigment changes? It usually does not include a change in skin texture or thickness. A small spot, perceptibly different in color from the surrounding tissue. Papules may be of various colors. A macule that is greater than 1cm in diameter is technically called a patch. -atrophy They are little spots or blemishes in the skin. Nodule: a circumscribed, elevated solid lesion with depth up … They are little spots or blemishes in the skin. They are entirely flat and can only be appreciated by visual inspection; they cannot be seen from the side. References Gawkrodger DJ, Ardern-Jones MR. Terminology of skin lesions. Macular (skin): Adjective referring to macules which are circumscribed changes in the color of skin that are neither raised (elevated) nor depressed. ... Macule: definition. -fibrosis 6th ed. FPnotebook.com is a rapid access, point-of-care medical reference for primary care and emergency clinicians. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Segen's Medical Dictionary. Even birthmarks may be considered a type of macule. Macules may be a sign of something serious or mean absolutely nothing at all. Lesions PATCH A large macule is called patch (>1cm in size). -crust ash leaf macules, café au lait macules). Terms of Use. 2. n. & v. Variant of mackle. Diagnosis confirmation. On physical examination, there was a 5×2-mm, solitary, ill-defined pink macule on the right side of the abdomen. -scale -ulcer A patch is a large macule. Ex: café-au-lait: Mongolian spot; freckle 2. Rosacea, Acne, Shingles, Covid-19 Rashes: Common Adult Skin Diseases. Macule: a circumscribed, flat lesion with color change up to 1 cm in size that is not palpable (e.g. Macules are never large. -pustule Free. Macule medical definition, flashcards and ICD-10 codes. Start studying Dermatology. PAPULE - A circumscribed, elevated, solid lesion that is less than 10 mm* in diameter. Definition: They occur most often on the medial aspects of the lower legs and is the most common etiology of leg ulcers-it is common in people with CHF and incompetent leg vein valves with significant bilateral swelling of the legs, brown dyspigmentation, and petechiae Term: What are arterial ulcers? They are entirely flat and can only be appreciated by visual inspection; they cannot be seen from the side. Macules represent a change in color and are not raised or depressed compared to the skin surface. MACULE - A circumscribed, flat area of discoloration that is less than 10 mm* in diameter. -nodule A papule is a raised area of skin tissue that’s less than 1 centimeter around. Macule. a macule greater than 1cm in diameter. Vitiligo, the loss of skin color associated with autoimmune disorders 2. Papule A small, solid lesion, <0.5 cm in diameter, raised above the surface of surrounding skin & hence palpable. RAISED LESIONS. In: Gawkrodger DJ, Ardern-Jones MR, eds. Define macule. The word macular comes from the Latin macula meaning a small spot or blemish. The confrontation between Willan's and Plenck's definitions of macule is now over; Plenck's macule prevails. MedicineNet does not provide medical advice, diagnosis or treatment. Macules can feature in any number of common and uncommon medical conditions, including: 1. Maculues can be caused by any number of things, and may be a cause for concern in some cases, or … It doesn’t involve any change in the thickness or texture of the skin. Slight scale may or may not be present. Labial melanotic macule (low power); mild acanthosis without elongation of rete ridges. Note -- Macular vision refers to the macula lutea (yellow spot), or simply as the macula, a spot in the retina where vision is keenest. Macules are never large. -maceration Overview. Patch Same as macule but exceeding 1 cm in diameter. Basic Dermatology Curriculum The members of the American Academy of Dermatology have a long history of involvement in medical student education. ©1996-2021 MedicineNet, Inc. All rights reserved. Macule: Macules are circumscribed alterations in skin color. Search. They are often present from the time of birth and may grow or increase in number as a person gets older. Difference between Macule and Papule Definition. -erosion Macula definition, a spot or blotch, especially on one's skin; macule. Macular degeneration pertains to the macula and involves partial or total loss of macular vision. Primary Lesions -macule-patch-papule -plaque -nodule -tumor -vesicle -bulla -pustule -cyst Secondary Lesions -scale -crust -excoriation-lichenification-maceration -fissure -erosion -ulcer Distinct Lesions -wheal/hive -burrow -comedone -atrophy -keloid -fibrosis -petechiae -telangiectasis -milium Papule It usually does not include a change in skin texture or thickness. -vesicle The Language of Dermatology - The Lesions: Navigation. A macule is a flat, distinct, discolored area of skin less than 1 centimeter (cm) wide. -milium, A macule is a small spot that is not palpable & that is < 1 cm. , raised above the surface of surrounding skin erythematous macules are circumscribed alterations in skin texture or thickness usually... 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