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RASH

International Academy of Cosmetic Dermatology RASH The word is possibly derived from Old French for eruption and/or Latin  for scratching.  It refers to redness that has suddenly appeared, but the word denotes little more. It is better to refer to an euption, but...

PIGMENTARY CHANGES

International Academy of Cosmetic Dermatology PIGMENTARY CHANGES Changes in the color of the skin occur when there is interference with the  melanocytes, the pigment producing cells which make melanin.  A variety of situations can lead to lightening (hypopigmentation)...

NODE

International Academy of Cosmetic Dermatology NODE A node is a firm lesion that is usually elevated above the skin.  It might also be called a knot or lump. While a cyst represents a sac containing a liquid or semisolid substance, a node contains harder material that...

MOLE

International Academy of Cosmetic Dermatology MOLE A word often used by patients to refer to a variety of pigmented lesions, ranging from a common wart to a melanocytic nevus.  It is derived from mol, an Old English word for a blemish, often on the face; hence, any...

LESION

International Academy of Cosmetic Dermatology LESION Lesion is a word used to refer to any variation of normal skin.  It is derived from the Latin laedere – to injure.  Common lesions include warts, moles, and cysts.  The word should not convey that the finding is...

ITCHING

International Academy of Cosmetic Dermatology ITCHING Itching (pruritus) is a sensation that produces the desire to scratch; it is exclusive to the skin and the cornea. Teleologically, itching, with resultant scratching, is of possible biological value in combating...