| Leser, Edmund | <person> German surgeon. Lived: 1828-1916. See: Leser-Trelat sign. (05 Mar 2000) |
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| Leser-Trelat sign | <clinical sign> The sudden appearance and rapid increase in the number and size of seborrheic keratoses with pruritus; associated with internal malignancy. (05 Mar 2000) |