Radial streaming

From dermoscopedia

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 Authored by: Ralph P. Braun

 Keywords:   radial streaming · streaks
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Description This chapter describes the histopathological correlation of the 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. term radial streamingRadial linear extensions at the lesion edge (streakslines radial (always at periphery) streaks Reed nevus melanoma recurrent nevus)
Author(s) Ralph P. Braun
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Status released
Status update July 2, 2018
Status by Ralph P. Braun


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Radial streamingRadial linear extensions at the lesion edge are radially arranges projections at the periphery of the lesion corresponding to confluent junctional nests of melanocytes such as pseudopodsBulbous and often kinked projections seen at the lesion edge, either directly associated with a network or solid tumor border..