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There are also a number of other conditions that affect hands, feet, and parts of the face with associated skin color changes that need to be differentiated from acrocyanosis: Raynaud phenomenon, pernio, acrorygosis, erythromelalgia, and blue finger syndrome. The diagnosis may be challenging in some cases, especially when these syndromes co-exist.
HAVS, also known as vibration white finger (VWF) or dead finger, [1] is a secondary form of Raynaud's syndrome, an industrial injury triggered by continuous use of vibrating hand-held machinery. Use of the term vibration white finger has generally been superseded in professional usage by broader concept of HAVS, although it is still used by the ...
Harlequin syndrome, also known as "harlequin sign", is a condition characterized by asymmetric sweating and flushing on the upper thoracic region of the chest, neck and face. Harlequin syndrome is considered an injury to the autonomic nervous system (ANS).
Eastern emoticons generally are not rotated sideways, and may include non-Latin characters to allow for additional complexity. These emoticons first arose in Japan, where they are referred to as kaomoji (literally "face characters"). The base form consists of a sequence of an opening round parenthesis, a character for the left eye, a character ...
Chromhidrosis is a rare condition characterized by the secretion of colored sweat. [2] It is caused by the deposition of lipofuscin in the sweat glands. Cases of red, blue, green, yellow, pink, and black sweat have been reported. Usually, chromhidrosis affects the apocrine glands, mainly on the face and underarms.
Hyperhidrosis is a medical condition in which a person exhibits excessive sweating, [1] [2] more than is required for the regulation of body temperature. [3] Although it is primarily a physical burden, hyperhidrosis can deteriorate the quality of life of the people who are affected from a psychological, emotional, and social perspective. [4]
Dyshidrosis is a type of dermatitis, characterized by itchy vesicles of 1–2 mm in size, on the palms of the hands, sides of fingers, or bottoms of the feet. [8] Outbreaks usually conclude within three to four weeks, but often recur. [4] [8] Repeated attacks may result in fissures and skin thickening. [7] The cause of the condition is not ...
In 2006, researchers uncovered that primary palmar hyperhidrosis, referring to excess sweating on the palms of the hands and feet, maps to the gene locus 14q11.2-q13. [ 4 ] Based on previous research using mice and rats, researchers looked towards the role of aquaporin 5 (AQP5), a water channel protein, in human individuals with primary focal ...