Leser, Edmund

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Edmund, German surgeon, 1828-1916.
Leser-Trélat sign - the sudden appearance and rapid increase in the number and size of seborrheic keratoses with pruritus, associated with internal malignancy.
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Sign of Leser-TrACopyrightlat (SLT) first described by Edmund Leser and Ulysse TrACopyrightlat is defined by the sudden eruption of numerous seborrheic keratosis or rapid increase in the number of pre- existing seborrheic keratosis1 preceding revealing or following a malignancy.