Superimposed mosaicism in tuberous sclerosis complex: a key to understanding all of the manifold manifestations?

Abstract excerpt

In patients with tuberous sclerosis, we can today distinguish between two different categories of segmental mosaicism. The well-known simple segmental mosaicism is characterized by a unilateral or otherwise localized arrangement of the ordinary lesions of the disorder, reflecting heterozygosity for an early postzygotic new mutation. By contrast, superimposed mosaicism is defined by a pronounced segmental...

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