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Dermoscopy
Dermatoscopy also known as dermoscopy 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. The dermatoscope consists of a magnifier, a light source (polarized or non-polarised), a transparent plate and sometimes a liquid medium between the instrument and the skin. Dermatoscope is often handheld, although there are stationary cameras allowing the capture of whole body images in a single shot. When the images or video clips are digitally captured or processed, the instrument can be referred to as a digital epiluminescence dermatoscope. The image is then analyzed automatically and given a score indicating how dangerous it is. This technique is useful to dermatologists and skin cancer practitioners in distinguishing benign from malignant (cancerous) lesions, especially in the diagnosis of melanoma. Types of dermatoscopy There are two mai ...
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Dermatoscope
Dermatoscopy also known as dermoscopy 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. The dermatoscope consists of a magnifier, a light source (polarized or non-polarised), a transparent plate and sometimes a liquid medium between the instrument and the skin. Dermatoscope is often handheld, although there are stationary cameras allowing the capture of whole body images in a single shot. When the images or video clips are digitally captured or processed, the instrument can be referred to as a digital epiluminescence dermatoscope. The image is then analyzed automatically and given a score indicating how dangerous it is. This technique is useful to dermatologists and skin cancer practitioners in distinguishing benign from malignant (cancerous) lesions, especially in the diagnosis of melanoma. Types of dermatoscopy There are two mai ...
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Dermatoscopy
Dermatoscopy also known as dermoscopy 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. The dermatoscope consists of a magnifier, a light source (polarized or non-polarised), a transparent plate and sometimes a liquid medium between the instrument and the skin. Dermatoscope is often handheld, although there are stationary cameras allowing the capture of whole body images in a single shot. When the images or video clips are digitally captured or processed, the instrument can be referred to as a digital epiluminescence dermatoscope. The image is then analyzed automatically and given a score indicating how dangerous it is. This technique is useful to dermatologists and skin cancer practitioners in distinguishing benign from malignant (cancerous) lesions, especially in the diagnosis of melanoma. Types of dermatoscopy There are two mai ...
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Trichoscopy
Trichoscopy is a method of hair and scalp evaluation and is used for diagnosing hair and scalp diseases. The method is based on dermoscopy. In trichoscopy hair and scalp structures may be visualized at many-fold magnification. Currently magnifications ranging from 10-fold to 70-fold are most popular in research and clinical practice. The method was developed by groups of dermatologists directed by: Lidia Rudnicka in Poland, Antonella Tosti and Giuseppe Micali in Italy and Shigeki Inui in Japan. In 2004 Francesco Lacarrubba and coworkers first described videodermoscopic features of alopecia areata (micro-exclamation hairs, yellow hyperkeratotic hair follicle openings, and black cadaverized hairs. In 2005 Malgorzata Olszewska and Lidia Rudnicka first used videodermoscopy for evaluation of disease severity in androgenic alopecia and for monitoring treatment efficacy. Characteristic images of female androgenic alopecia included hair shaft heterogeneity and increased percentage of thin ( ...
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Malignant Melanoma
Melanoma, also redundantly known as malignant melanoma, is a type of skin cancer that develops from the Biological pigment, pigment-producing cells known as melanocytes. Melanomas typically occur in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma). In women, they most commonly occur on the legs, while in men, they most commonly occur on the back. About 25% of melanomas develop from nevus, moles. Changes in a mole that can indicate melanoma include an increase in size, irregular edges, change in color, itchiness, or ulcer (dermatology), skin breakdown. The primary cause of melanoma is ultraviolet light (UV) exposure in those with low levels of the human skin color, skin pigment melanin. The UV light may be from the sun or other sources, such as tanning lamp, tanning devices. Those with many moles, a history of affected family members, and immunosuppression, poor immune function are at greater risk. A number of rare genetic conditions, such as xerod ...
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Melanoma
Melanoma, also redundantly known as malignant melanoma, is a type of skin cancer that develops from the pigment-producing cells known as melanocytes. Melanomas typically occur in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma). In women, they most commonly occur on the legs, while in men, they most commonly occur on the back. About 25% of melanomas develop from moles. Changes in a mole that can indicate melanoma include an increase in size, irregular edges, change in color, itchiness, or skin breakdown. The primary cause of melanoma is ultraviolet light (UV) exposure in those with low levels of the skin pigment melanin. The UV light may be from the sun or other sources, such as tanning devices. Those with many moles, a history of affected family members, and poor immune function are at greater risk. A number of rare genetic conditions, such as xeroderma pigmentosum, also increase the risk. Diagnosis is by biopsy and analysis of any skin lesion ...
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Molemax
MoleMax was the first digital epiluminescence microscopy (dermatoscopy) system developed in cooperation with medical faculty Department of Dermatology of the Medical University of Vienna. It is currently owned and distributed by DermaMedicalSystems. History In 1997, MoleMax was presented to international experts at the Melanoma World Congress and the following Dermatology World Congress in Sydney and generated great public interest. Since then, over 2000 MoleMax systems are in use in over 50 countries. Today, MoleMax is worldwide accepted clinical standard in digital epiluminescence microscopy. Methodology Thanks to the worldwide patented light polarisation technique for cameras with skin contact, these camera systems do not require any immersion fluid for the epiluminescence microscopic analysis. Scientific use The MoleMax system was part of multiple scientific works such as measurements of the growth rate of pigmented skin lesion A skin condition, also known as c ...
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Monilethrix
Monilethrix (also referred to as beaded hair) is a rare autosomal dominant hair disease that results in short, fragile, broken hair that appears beaded. It comes from the Latin word for necklace (''monile'') and the Greek word for hair (''thrix''). Hair becomes brittle, and breaks off at the thinner parts between the beads. It appears as a thinning or baldness of hair and was first described in 1897 by Walter Smith Signs and symptoms Some indicators of monilethrix are small bumps on the skin, mainly on the scalp, neck and arms. In most cases, firm, dark papules, covered with dark scales and crusts appears on the skin, especially the scalp. The affected individual would have beaded hair strands. The possible areas for the hair loss are the eyebrows, eyelashes, limbs, and pubic region. Hair strands are usually dull, dry, and brittle. The strands are prone to mild to severe breakage, causing onset alopecia, especially during pregnancy. Fingernail and toenails tend to appear abnorma ...
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Woolly Hair Nevus
Woolly hair nevus (alternatively spelled "Wooly hair nevus") is a congenital condition in which hair in a circumscribed area of the scalp is kinked or wool Wool is the textile fibre obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have properties similar to animal wool. ...ly. See also * Woolly hair * Naxos syndrome * Striate palmoplantar keratoderma, woolly hair, and left ventricular dilated cardiomyopathy * List of cutaneous conditions References External links Epidermal nevi, neoplasms, and cysts Conditions of the skin appendages {{Epidermal-growth-stub ...
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Johann Saphier
Johann, typically a male given name, is the German form of ''Iohannes'', which is the Latin form of the Greek name ''Iōánnēs'' (), itself derived from Hebrew name ''Yochanan'' () in turn from its extended form (), meaning "Yahweh is Gracious" or "Yahweh is Merciful". Its English language equivalent is John. It is uncommon as a surname. People People with the name Johann include: A–K * Johann Adam Hiller (1728–1804), German composer * Johann Adam Reincken (1643–1722), Dutch/German organist * Johann Adam Remele (died 1740), German court painter * Johann Adolf I, Duke of Saxe-Weissenfels (1649–1697) * Johann Adolph Hasse (1699-1783), German Composer * Johann Altfuldisch (1911—1947), German Nazi SS concentration camp officer executed for war crimes * Johann Andreas Eisenmenger (1654–1704), German Orientalist * Johann Baptist Wanhal (1739–1813), Czech composer * Johann Bernhard Fischer von Erlach (1656–1723), Austrian architect * Johann Bernoulli (1667–1748), Swis ...
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Heine Optotechnik
HEINE Optotechnik is a manufacturer of medical diagnostic instruments and is based in Gilching, near Munich, Germany. The company was founded in 1946 by the German physicist Helmut A. Heine and has been a family run company ever since. A characteristic of the company is that from the initial idea to the finished product, almost all of the critical production steps are carried out in-house to ensure the high quality of the instruments produced. The company specializes in otoscopes, ophthalmoscopes, dermatoscopes, binocular loupes, laryngoscopes, stethoscopes, proctological instruments, fiber-optic examination lights and hand-held slit lamps HEINE Optotechnik is represented in over 120 countries around the world, with subsidiaries in Australia, Canada, the US and Switzerland as well as 3,000 representatives, importers and specialist dealers. History In HEINE & Co. Medizinisch-Physikalische Werkstätten GmbH, owner Helmut A. Heine initially manufactured otoscopes and direc ...
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Ernst Abbe
Ernst Karl Abbe HonFRMS (23 January 1840 – 14 January 1905) was a German physicist, optical scientist, entrepreneur, and social reformer. Together with Otto Schott and Carl Zeiss, he developed numerous optical instruments. He was also a co-owner of Carl Zeiss AG, a German manufacturer of scientific microscopes, astronomical telescopes, planetariums, and other advanced optical systems. Personal life Abbe was born 23 January 1840 in Eisenach, Saxe-Weimar-Eisenach, to Georg Adam Abbe and Elisabeth Christina Barchfeldt. He came from a humble home – his father was a foreman in a spinnery. Supported by his father's employer, Abbe was able to attend secondary school and to obtain the general qualification for university entrance with fairly good grades, at the Eisenach Gymnasium, which he graduated from in 1857. By the time he left school, his scientific talent and his strong will had already become obvious. Thus, in spite of the family's strained financial situation, his father ...
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