Under Woods lamp examination, which color indicates healthy skin?

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Multiple Choice

Under Woods lamp examination, which color indicates healthy skin?

Wood's lamp examination relies on fluorescence to assess skin health. Healthy skin typically shows a pale blue-white fluorescence under the UV light, which reflects normal underlying tissue without pigment irregularities or infections altering the glow. This blue-white appearance serves as the baseline indicator of skin that isn’t affected by conditions that change fluorescence. Other colors seen under the lamp point to specific abnormalities—for example, certain infections or pigment changes produce different hues—so they indicate skin that isn’t healthy.

Wood's lamp examination relies on fluorescence to assess skin health. Healthy skin typically shows a pale blue-white fluorescence under the UV light, which reflects normal underlying tissue without pigment irregularities or infections altering the glow. This blue-white appearance serves as the baseline indicator of skin that isn’t affected by conditions that change fluorescence. Other colors seen under the lamp point to specific abnormalities—for example, certain infections or pigment changes produce different hues—so they indicate skin that isn’t healthy.

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