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Mees' lines can look similar to injury to the nail, which should not be confused with true Mees' lines. [1] Mees' lines appear after an episode of poisoning with arsenic, [2] thallium or other heavy metals or selenium, [3] opioid MT-45, and can also appear if the subject is suffering from kidney failure. [4] They have been observed in ...
Dermatoscopy, also known as dermoscopy [1] or epiluminescence microscopy, is the examination of skin lesions with a dermatoscope. It is a tool similar to a camera to allow for inspection of skin lesions unobstructed by skin surface reflections.
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
Muehrcke's lines were described by American physician Robert C. Muehrcke (1921–2003) in 1956. In a study published in BMJ, he examined patients with known chronic hypoalbuminemia and healthy volunteers, finding that the appearance of multiple transverse white lines was a highly specific marker for low serum albumin (no subject with the sign had SA over 2.2 g/dL), was associated with severity ...
International Dermoscopy Society (IDS) is a non-governmental organization offering comprehensive promotion of dermoscopy, also known as dermatoscopy. [ 1 ] [ 2 ] It has over 16,000 international members from over 160 countries.
The anocutaneous line represents the transition point from non-keratinized stratified squamous epithelium of the anal canal to keratinized stratified squamous epithelium of the anus and perianal skin. [3] In live persons, the color of the line is white, hence the alternative name. It is named for John Hilton. [4]
White roll is the white line that borders the top of the upper lip. [1] [2] It is an adnexal mass of specialized glands and fat. White roll occurs naturally for nearly everyone, although it can be not white and less visible for dark skinned individuals. Well defined white roll indicates youthfulness and is considered aesthetically pleasing. [3]
Cellular angiofibroma is usually a small, slow-growing tumor arising in the vulva-vaginal areas of adult woman and the inguinal-scrotal areas of adult men although some of these tumors, especially in men, can grow up to 25 cm. Affected men are usually older (7th decade) than women (5th decade). [25]