By Gary M. White, MD

Saurin papulosis is a newly described entity described in two sisters with consanguineous parents and in two brothers suggesting a genodermatosis, possibly inherited as an autosomal recessive trait.


The patient develops diffuse, symmetric erythematous, flat, discrete papules with a polygonal shape and fine scaling. The papules covered most of the skin surface and, in some areas of the trunk, may be arranged along the lines of cleavage, parallel to the ribs. Siblings may be affected.


This condition is based upon two patients described below. [JAAD 2013;68;e17 published online].
A 27-year-old woman, the second of two children of consanguineous parents (first cousins), presented with an asymptomatic skin eruption on the trunk and extremities. This was said to have appeared on flexural areas shortly after birth, resolving spontaneously over several months. Her skin remained clear until age 14, when she developed a slowly progressive papular eruption covering most of the skin surface.

An 82-year-old man presented with a 20-year history of multiple, asymptomatic papules on the lower extremities. In the previous 6 months, the papules had gradually increased in size and number and appeared, to a lesser extent, on the buttocks, abdomen, and arms. His younger brother and only sibling was said to have similar lesions since adolescence, but he was not available for examination. His parents were non-consanguineous and neither they nor his grandparents had a skin disorder. He was unrelated to the family of case 1.


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