, Volume 257, Issue 10, pp 1759-1761
Date: 30 May 2010

4H syndrome: a rare cause of leukodystrophy

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Dear Sirs,

A 24-year-old woman suffered from gait unsteadiness and tetraparesis since childhood. Her medical history was characterized by a normal delivery of non-consanguineous parents. Walking with support was acquired at 10 months. Childhood development was characterized by occurrence of a progressive cerebellar ataxia, short stature, mental development retardation (IQ = 46), and hypodontia (i.e., absence of deciduous teeth eruption and short tooth roots). Walking without support was never acquired. At the age of 14, a partial growth hormone (GH) deficit (insufficient peak of GH in standard condition and with stimulation tests) and an hypogonadotropic hypogonadism [absence of luteinizing hormone (LH) and follicle stimulating hormone (FSH), lack of response to LH-releasing hormone (LH-RH) injection with LH peak at 0.6 UI/l and FSH peak at 1.4 UI/l] were found. Dental panoramic radiographs showed short tooth roots and absence of dental pulp chamber (Fig. 1). At the age of 24, neurologi ...