Variability in the Proteus syndrome: report of an affected child with progressive lipomatosis

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Abstract
In 1983 the Proteus syndrome was delineated by Wiedemann et al. [12]. We report a 10-month-old girl, a further child affected by the new syndrome. The typical signs are macrodactyly, hemihypertrophy, pigmented nevi, hyperkeratosis, and subcutaneous hamartomatous tumours. Our patient shows an aggressive lipomatosis on the trunk and local relapses after surgical interventions in the regions involved. Histology of the adipose tissue showed considerable anisocytosis and increased cell volume.