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THE SKIN Salvatore Mangione, MD "The power of making a correct diagnosis is the key to all success in the treatment of skin diseases; without this faculty, the physician can never be a thorough dermatologist, and therapeutics at once cease to hold their proper position, and become empirical." —Louis A. Duhring (1845-1913) "Beautys but skin deep." —John Davies of Hereford (1565-1618) BASIC TERMINOLOGY AND DIAGNOSTIC TECHNIQUES 1. How many skin diseases exist? What are the two main categories of skin lesions? There are more than 1400 skin diseases. Yet, only 30 are important, common, and worth knowing. The first step toward their recognition is the separation of primary from secondary lesions (Table 3-1). • Primary lesions result only from disease and have not been changed by additional events (such as trauma, scratching, or medical treatment; see Table 3-1). To better identity primary lesions, pay attention to their colors, shape, arrangement, and distribution. • Secondary lesions instead have been altered by outside manipulation, medical treatment, or their own natural course. 2. What are the major primary lesions? • Hanel's: Flat, nonpalpable, circumscribed areas of discoloration cm in diameter. Typical macules are the familiar freckles. • Patches: flat, nonpalpable areas of skin discoloration >0.5 cm in diameter (i.e., a large macula). A typical patch is the one of yitillgo. • Papules: Raised and palpable lesions <0.5 cm in diameter. They may or may not have a different color from the surrounding skin. A typical papule is a raised nevus. >0.5 are 0.5 cm…

NgTN0903_

Author : Bóng cây. Couple : Harry James Potter / Draco Lucius Malfoy.Characters belong to J. K. Rowling. The work is a fictional script, not part of the Harry Potter storyline.꒷︶꒷꒥꒷‧₊˚꒷︶꒷꒥꒷‧₊˚"Is that kid really Harry Potter's son?""Yeah, but looks like he's already inherited the Malfoy brand of failure.""What was the Savior even thinking, marrying a Malfoy and bringing another failure into the world?""...""Enough, guys. Don't say stuff like that."[...]The jumble of voices clashed and swirled through the air - some laced with curiosity, others with mockery, and a few dripping with pure malice.Every word seemed sharpened, aimed to make sure the child, sitting quietly in the Headmaster's office, heard them loud and clear.Fools. Their reckless tongues poking into matters far beyond their reach would only bring them grave trouble once they crossed that child…