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  • Title: [Septo-optic dysplasia].
    Author: Martínez-Sánchez L, Arce A, Caritg-Bosch J, Campistol J, Pavía C, Gean-Molins E.
    Journal: Rev Neurol; ; 35(5):439-42. PubMed ID: 12373677.
    Abstract:
    INTRODUCTION: Septo optic syndrome, described by De Morsier in 1956, consists in the hypoplasia of one or both optic nerves, mid line brain malformations and hypothalamohypophysial dysfunction, which is inconstant. It is an infrequent, but treatable, cause of hepatic and neurological damage, and it is important to obtain an early diagnosis and to begin hormone replacement therapy. CASE REPORT: We report the clinical case of a female baby who was diagnosed early on as suffering from septo?optic dysplasia, after discovery of the existence of cholestatic jaundice. In our case the three components of the syndrome were present: hypothalamohypophysial dysfunction, bilateral hypoplasia of the optic nerves and brain malformations with dysplasia of the transparent septum. All this gives rise to complex clinical features and the predominance of hypernatraemic dehydration secondary to insipid diabetes, nystagmus and serious psychomotor retardation. Our patient died, as in other cases reported in the literature, from an episode of sudden death. DISCUSSION: Despite the importance of an early diagnosis of this disorder, it is usually late. Most children who present hypopituitarism traits in the neonatal period are not diagnosed at that time, with the subsequent risk of death or brain damage. Some clinical findings, which appear early on and can provide clues which aid us to reach a diagnosis, are the appearance of episodes of hypoglycaemia in the neonatal period, the existence of micropenis and cryptorchidism with hypoplasic testes, jaundice or the appearance of clinical manifestations of insipid diabetes. Later on nystagmus and neurological symptoms may appear. The final diagnosis is performed through the use of neuroimaging techniques (CT or MRI) and hormonal studies.
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