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An interesting property of the skin condition is that it can be easily identified using a Wood's lamp. The lack of pigment results and a clear observation of homogeneous white areas, while the involvement of Cutibacterium acnes will show an orange fluorescence due to its coproporphyrin III. That way it can be differentiated from other ...
Postinflammatory hypopigmentation is a highly prevalent pigmentary disease. It can happen to any type of skin. Nonetheless, individuals with darker skin seem to have it more frequently and visibly, perhaps due to the color contrast with their natural skin. The incidence of postinflammatory hypopigmentation is the same for both sexes. [2]
Tinea versicolor fluorescence under Wood's lamp. Tinea versicolor may be diagnosed by a potassium hydroxide (KOH) preparation and lesions may fluoresce copper-orange when exposed to Wood's lamp (UV-A light). [15] The differential diagnosis for tinea versicolor infection includes: [citation needed] Progressive macular hypomelanosis; Pityriasis alba
During this process, a lamp that uses long-wave ultraviolet (UV) light will make certain cells show color or appear fluorescent, according to the Cleveland Clinic. Doctors also take time during ...
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Often, hypopigmentation can be brought on by laser treatments; however, the hypopigmentation can be treated with other lasers or light sources. [6] Micropigmentation can also be used to obtain a more normal appearance of the hypopigmentated skin. [7] Treatment for hypopigmentation depends on the initial cause of the discoloration.
However, a simple side-room investigation with a Wood's lamp is additionally useful in diagnosing erythrasma. [4] The ultraviolet light of a Wood's lamp causes the organism to fluoresce a characteristic coral red color, differentiating it from other skin conditions such as tinea versicolor , which may fluoresce a copper-orange color. [ 5 ]