Wobble sign

From dermoscopedia

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 Editor: Ralph P. Braun

 Author(s): Ralph P. Braun
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Author(s) Ralph P. Braun
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Status update June 4, 2017
Status by Ralph P. Braun

During dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. examination, the handheld scopeThis glossary term has not yet been described. is usually maintained fixed on the surface of the lesion. If the deviceA piece of equipment designed to perform a special function is slightly moved horizontally, parallel to the surface, a dynamic approach is added. The most elevated part of the lesion sticks to the scope[1].
  1. Braun et al.: The "wobble sign" in epiluminescence microscopy as a novel clue to the differential diagnosis of pigmented skin lesions. Arch Dermatol 2000;136:940-2. PMID: 10891009.