Abstract
Patients with HGPRT deficiency may be phenotypically classified into two differentiated entities: (a) Lesch-Nyhan syndrome, also named “complete HGPRT deficiency”, characterized by spasticity, choreoathetosis, mental retardation, and self-mutilation behaviour,1 and (b) Kelley-Seegmiller syndrome, also named “partial HGPRT deficiency.”2 Patients with this syndrome could present either mild to severe neurological manifestations including different degrees of spasticity and mental retardation, or no neurological symptoms at all. A differential characteristic between both syndromes is that patients with the Kelley-Seegmiller syndrome do not self-mutilate, although not all patients with the Lesch-Nyhan syndrome exhibit this dramatic manifestation.
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© 1998 Springer Science+Business Media New York
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Puig, J.G., Torres, R.J., Mateos, F.A., Arcas, J., Buño, A., Pascual-Castroviejo, I. (1998). The Spectrum of HGPRT Deficiency. In: Griesmacher, A., Müller, M.M., Chiba, P. (eds) Purine and Pyrimidine Metabolism in Man IX. Advances in Experimental Medicine and Biology, vol 431. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5381-6_5
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DOI: https://doi.org/10.1007/978-1-4615-5381-6_5
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