Schinzel-Giedion syndrome (SGS) is a rare disorder with a likely autosomal recessive pattern of inheritance which is characterized by several facial dysmorphisms, midface hypoplasia, multiple skeletal anomalies including short and sclerotic skull base, short neck, and post-axial polydactyly. Cardiac and urogenital malformations are also present. Thirty-three cases have been described so far. We report on a boy affected by SGS in whom a long-term EEG follow-up showed a progressive deterioration of the background bioelectric activity ending, at the age of 19 months, with a hypsarrhythmic pattern clinically correlated with severe and refractory infantile spasms. EEG deterioration and neuroradiological findings, which showed progressive brain atrophy, confirm the neurodegenerative nature of SGS. We also re-evaluated all the published cases and found that 33% of patients with SGS experienced neonatal seizures and another 25% developed West syndrome in the following months. The seizures appeared extremely refractory to several anticonvulsive treatments. In conclusion, we believe that SGS should be included among the causes of secondary West syndrome.

Grosso, S., Pagano, C., Cioni, M., DI BARTOLO, R.M., Morgese, G., & Balestri, ..P. (2003). Schinzel-Giedion syndrome: a further cause of West syndrome. BRAIN & DEVELOPMENT, 25(4), 294-298 [10.1016/S0387-7604(02)00232-2].

Schinzel-Giedion syndrome: a further cause of West syndrome

GROSSO, S.;PAGANO, C.;CIONI, M.;DI BARTOLO, R. M.;MORGESE, G.;BALESTRI, . P
2003

Abstract

Schinzel-Giedion syndrome (SGS) is a rare disorder with a likely autosomal recessive pattern of inheritance which is characterized by several facial dysmorphisms, midface hypoplasia, multiple skeletal anomalies including short and sclerotic skull base, short neck, and post-axial polydactyly. Cardiac and urogenital malformations are also present. Thirty-three cases have been described so far. We report on a boy affected by SGS in whom a long-term EEG follow-up showed a progressive deterioration of the background bioelectric activity ending, at the age of 19 months, with a hypsarrhythmic pattern clinically correlated with severe and refractory infantile spasms. EEG deterioration and neuroradiological findings, which showed progressive brain atrophy, confirm the neurodegenerative nature of SGS. We also re-evaluated all the published cases and found that 33% of patients with SGS experienced neonatal seizures and another 25% developed West syndrome in the following months. The seizures appeared extremely refractory to several anticonvulsive treatments. In conclusion, we believe that SGS should be included among the causes of secondary West syndrome.
Grosso, S., Pagano, C., Cioni, M., DI BARTOLO, R.M., Morgese, G., & Balestri, ..P. (2003). Schinzel-Giedion syndrome: a further cause of West syndrome. BRAIN & DEVELOPMENT, 25(4), 294-298 [10.1016/S0387-7604(02)00232-2].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11365/21282
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