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        "titulo" => "Resumen"
        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Se estudian un total de 66 tumores infantiles de fosa posterior con hidrocefalia para considerar la necesidad real de insertar de forma sistem&#225;tica derivaci&#243;n de LCR&#46; Se correlacionan situaci&#243;n anat&#243;mica y tipo histol&#243;gico con la intervenci&#243;n derivativa por HIC u otras complicaciones&#46; S&#243;lo el 34&#44;8 &#37; de los pacientes fue sometido a derivaci&#243;n de LCR en relaci&#243;n con HIC&#46; De los tumores situados en la l&#237;nea media &#40;malignos en su mayor&#237;a&#41; un 35 &#37; requiri&#243; derivaci&#243;n perioperatoriaj de los situados en hemisferios cerebelosos &#40;habitualmente benignos&#41;&#44; un 22&#44;7 &#37;&#46; Globalmente necesitaron dicha derivaci&#243;n el 42 &#37; de los tumores malignos y s&#243;lo el 17 &#37; de los benignos &#40;astrocitomas 20&#44;8 &#37;&#44; meduloblastomas 45&#44;4 &#37;&#44; ependimomas 57&#44;1 &#37;&#41;&#46; La necesidad de shunt postoperatorio debido a HIC &#40;en pacientes sometidos a craniectom&#237;a sin shunt previo&#41; fue escasa&#58; 4&#44;3 &#37;de los astrocitomas operados sin shunt&#44; 25 &#37; de ependimomas&#44; 23&#44;5 &#37; de meduloblastomas&#46; Se analizan los referidos datos y se discute la conveniencia de insertar derivaci&#243;n de LCR en relaci&#243;n con HIC&#44; localizaci&#243;n anat&#243;mica y presunci&#243;n histol&#243;gica&#46;</p>"
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        "resumen" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Sixty-six children with posterior fossa tumours and hydrocephalus are reviewed in order to ascertain whether a CSF-shunt was necessary&#46; The anatomical situation and pathology of tumours were related to the need for a shunt due to IICP or other complications&#46; 34&#44;8 &#37; of patients were shunted to control hydrocephalus&#46; 35 &#37; of midline tumours &#40;most of them malignant&#41; needed a per-operative valve while of those situated in the cerebellar hemispheres &#40;usually benings&#41; only 22 &#37; need to be shunted&#46; On the whole&#44; a shunt was insert in 42 &#37; of malignant tumours and in 17 &#37; of benign neoplasm &#40;astrocytomas 20&#44;8 oTo&#59; medulloblastomas 45&#44;4 &#37;&#44; ependymomas 57&#44;1 &#37;&#41;&#46; The need for a postoperative shunt due to IICP &#40;in patients with craniectomy without a previous shunt&#41; was scanty&#58; 4&#44;3 &#37; of astrocytomas&#44; 23&#44;5 &#37; of medulloblastomas and 25 &#37; of ependymomas&#46; It is concluded that a CSF shunt is not necessary in all cases of posterior fossa tumours&#44; and it depends on tumour situation and pathology&#46;</p>"
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Vol. 1. Núm. 2.
Páginas 85-88 (enero 1990)
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Vol. 1. Núm. 2.
Páginas 85-88 (enero 1990)
Derivación de LCR y tumores de fosa posterior en la infancia
Visitas
1635
M.A. Arráez, V. Arjona, J.M. Martín
Servicio Regional de Neurocirugía. R.G.E. Virgen de las Nieves. Granada
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Resumen

Se estudian un total de 66 tumores infantiles de fosa posterior con hidrocefalia para considerar la necesidad real de insertar de forma sistemática derivación de LCR. Se correlacionan situación anatómica y tipo histológico con la intervención derivativa por HIC u otras complicaciones. Sólo el 34,8 % de los pacientes fue sometido a derivación de LCR en relación con HIC. De los tumores situados en la línea media (malignos en su mayoría) un 35 % requirió derivación perioperatoriaj de los situados en hemisferios cerebelosos (habitualmente benignos), un 22,7 %. Globalmente necesitaron dicha derivación el 42 % de los tumores malignos y sólo el 17 % de los benignos (astrocitomas 20,8 %, meduloblastomas 45,4 %, ependimomas 57,1 %). La necesidad de shunt postoperatorio debido a HIC (en pacientes sometidos a craniectomía sin shunt previo) fue escasa: 4,3 %de los astrocitomas operados sin shunt, 25 % de ependimomas, 23,5 % de meduloblastomas. Se analizan los referidos datos y se discute la conveniencia de insertar derivación de LCR en relación con HIC, localización anatómica y presunción histológica.

Palabras Clave:
Hidrocefalia
tumores infantiles de fosa posterior
derivación de LCR
Summary

Sixty-six children with posterior fossa tumours and hydrocephalus are reviewed in order to ascertain whether a CSF-shunt was necessary. The anatomical situation and pathology of tumours were related to the need for a shunt due to IICP or other complications. 34,8 % of patients were shunted to control hydrocephalus. 35 % of midline tumours (most of them malignant) needed a per-operative valve while of those situated in the cerebellar hemispheres (usually benings) only 22 % need to be shunted. On the whole, a shunt was insert in 42 % of malignant tumours and in 17 % of benign neoplasm (astrocytomas 20,8 oTo; medulloblastomas 45,4 %, ependymomas 57,1 %). The need for a postoperative shunt due to IICP (in patients with craniectomy without a previous shunt) was scanty: 4,3 % of astrocytomas, 23,5 % of medulloblastomas and 25 % of ependymomas. It is concluded that a CSF shunt is not necessary in all cases of posterior fossa tumours, and it depends on tumour situation and pathology.

Key Words:
Childhood posterior fossa tumours
hydrocephalus
CSF shunt

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