Plaques may result from a coalescence of papules. -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: Vesicle. Vesicles. 10 An example is anthrax, with its evolving cutaneous lesion from painless papule to ulcer with surrounding vesicles. Vesicles are small, fluid-filled sacs that can appear on your skin. It is a flat blemish like that of a freckle. - "Vesicles" and "bullae" works for an expert audience. Vesicle: Well circumscribed fluid-filled lesion up to 5-10mm. Elevation: Margins of the lesion are not elevated. Maculopapular rash may be mistakenly called macule, papule, patch, nodule, plaque, vesicle, or pustule. - The technical umbrella term is usually "bullous", rather than "vesicular" dermatitis/eruptions. Cyst — papule or nodule that contains fluid or semi-fluid material so is fluctuant. A papule is a raised white lesion that is essentially less than 0.5cm in diameter. Vesicular lesions (Table 132.11) can be considered in three clinical categories. To differentiate these skin lesions from each other, here are the pictures of each. A papule is a raised area of skin tissue that’s less than 1 centimeter around. - Anything that develops out of a papule is usually a vesicle (despite "sans bulle" in your text example). Picture 12: Macule measures less than 1 cm. Remember: Changes with size Changes with depth Macules patches Erosion ulcer Papules plaques (or nodules) Vesicles … A papule can have distinct or indistinct borders. The first and most common is single or localized lesions. Plaque — a circumscribed, palpable lesion more than 1 cm in diameter; most plaques are elevated. The fluid inside these vesicles may be clear, white, yellow, or mixed with blood. There are several types of vesicle, including transport vesicles, secretory vesicles, and lysosomes. -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. Vesicles are tiny sacs that transport material within or outside the cell. Macular vs Papular Rash: Changes in the skin color or consistency without any elevation from the skin level are known as macules. It can appear in a variety of shapes, colors, and sizes. They often extend into the dermis, and may be due to inflammatory, neoplastic, or metabolic in origin. Papules P. Papules are circumscribed, solid elevations of the skin, up to 1 cm in diameter. Overview. A nodule is a circumscribed elevation of the skin larger than a papule (1 cm). 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