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Transient Posterior Encephalopathy Induced by Chemotherapy in Children
Autor(es) : Sanchez-Carpintero, R. (Rocío)
Narbona, J. (Juan)
Lopez-de-la-Mesa, R. (R.)
Arbizu, J. (J.)
Sierrasesumaga, L. (Luis)
Palabras clave : Hypertension/chemically induced
Magnesium Deficiency/chemically induced
Osteosarcoma/drug therapy
Fecha incorporación: 2001
Editorial : Elsevier
Versión del editor: http://dx.doi.org/10.1016/S0887-8994(00)00242-3
ISSN: 0887-8994
Cita: Sánchez-Carpintero R, Narbona J, López de Mesa R, Arbizu J, Sierrasesúmaga L. Transient posterior encephalopathy induced by chemotherapy in children. Pediatr Neurol. 2001 Feb;24(2):145-8.
The cases of three children, 16, 12, and 12 years of age, who suffered sudden confusional state and cortical blindness lasting 12 to 30 minutes while under treatment with high-dose methotrexate, cyclophosphamide, and dactinomycin for a lower limb osteosarcoma are reported. Transient neuropsychologic deficits arose after the acute phase of treatment: left hemispatial neglect and constructive apraxia (Patient 1); constructive apraxia (Patient 2); and constructive apraxia and alexia without aphasia (Patient 3). The three patients recovered completely from all their deficits within the time frame of 3 hours to 2 weeks. Arterial hypertension and hypomagnesemia were found during the acute phase in all patients. In Patients 2 and 3, magnetic resonance imaging revealed increased parieto-occipital T(2) signal involving gray and white matter. In Patients 1 and 2, HmPAO-SPECT revealed parieto-occipital hypoperfusion that resolved a few days later. The alterations detected by neuroimaging were concurrent with the appearance and disappearance of the clinical symptoms. Such transient acute episodes have been named occipital-parietal encephalopathy. On the basis of our clinical, laboratory, and neuroimaging findings, an explanation for the origin of this syndrome, a migrainelike mechanism, triggered by chemotherapy-induced hypomagnesemia, is proposed.
Enlace permanente: http://hdl.handle.net/10171/23778
Aparece en las colecciones: DA - CUN - Medicina nuclear - Artículos de revista
DA - CUN - Pediatría - Artículos de revista

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Fichero:  Pediatr Neurol.2001.145.pdf
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