Macules represent a change in color and are not raised or depressed compared to the skin surface. A patch is a large macule. Examples include freckles, flat moles, tattoos, and port-wine stains, and the rashes of rickettsial infections, rubella, measles (can also have papules and plaques), and some allergic drug eruptions.

Here are some of the more common terms that may help you give a more accurate description: Solid, raised bumps. A nodule is greater than 1 cm, and a papule is less than or equal to 1 cm.

5 天之前 · Macule: A flat, discolored lesion, less than 1 cm in size; Papule or maculopapular: An elevated solid lesion, up to 1 centimeter in size. It has clear borders, is firm, and can appear in various colors. Patch: A flat, discolored lesion, greater than 1 cm in size; Plaque: A lesion that is raised like a papule, greater than 1 cm in size. It is ...

Before you can make a diagnosis of any skin lesion, it's important to be able to accurately describe the skin lesion. The purpose of this page is to cover the fundamental knowledge you will need to do this. How Small? Example: Superficial Spreading Melanoma. How Large? Example: Acral Lentiginous Melanoma. Clearly Defined? Example: Erysipelas.

Macule — a small patch of skin that is altered in colour, but is not elevated. Patch — a large area of colour change, with a smooth surface. Papule — elevated, solid, palpable lesion that is ≤ 1 cm in diameter.

primary lesion, a raised area of the overlying skin, is a marble-like solid lesion more that 1 cm wide and deep.

A patch is a flat, generally greater than 1-cm area of skin. With your eyes closed, you cannot feel the involved area or discern a boundary to the lesion. A patch may have non-palpable fine scale. Sharply demarcated hypopigmented patch of vitiligo. …

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2019年4月16日 · Solid lesions can be described as either a papule, plaque, nodule, or wheal. A raised solid lesion is a papule when it is less than 1 cm and a plaque when it is a confluence of papules greater than 1 cm. A nodule is a solid lesion with a deeper cutaneous involvement. A wheal is essentially a papule or plaque that is characteristically evanescent.

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