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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle">Objetctives</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Primary central nervous system lymphoma &#40;PCNSL&#41; is a rare patology and is most often seen in immunodeficient patients&#46; This article presents our casuistic of PCNSL in immunocompetent patients and make a literature review on this issue with focus on recent advances&#44; investigations&#44; and controversies in diagnosis and management of this patology&#46;</p> <span class="elsevierStyleSectionTitle">Matherial and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Nine patients operated in the last years in our clinics are analysed in relation to sex&#44; age&#44; time of symptoms&#44; procedures and adjuvant treatment&#46; Posteriorly the results are compared with those in the preview literature&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The age ranged from 44&#8211;68 years &#40;middle of 66 years&#41;&#59; 62&#44;5&#37; of the patients were female&#46; The mean time of symptoms&#44; when the diagnostic was made&#44; was 3&#46;2 months &#40;range 1&#8211;6 months&#41;&#46; The most common symptoms were hemiparesis &#40;present in 75&#37; of the patients&#41; headache &#40;37&#46;5&#37;&#41; seizures &#40;25&#37;&#41; and ataxia &#40;25&#37;&#41;&#46; The most common localization was the parietal&#44; frontal and temporal lobe surface with 25&#37; of the patients for each localization&#46; Five patients &#40;50&#37;&#41; were treated with stereotactic biopsy&#44; three with surgery &#40;37&#46;5&#37;&#41; and one &#40;12&#46;5&#37;&#41; with both of them&#46; Five patients &#40;62&#44;5&#37;&#41; were submitted to pos-operative radiotherapy as adjuvant treatment&#46; In relation to the hystology&#44; the most common cell type was Difuse B Cells&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">This study demonstrated that complete surgical ressection followed by radiotherapy have shown good results&#46; In opposition to the literature&#44; the authors regards chemotherapy as a secondary line treatment and recommends its use only in some selected cases&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">En este trabajo presentamos nuestra casu&#237;stica de linfomas cerebrales primarios en pacientes immunocompetentes comparandolo con los datos previos de la literatura&#44; con especial enfoque en los recientes avaces&#44; investigaciones&#44; y controversias acerca del diagn&#243;stico y manejo terap&#233;utico de estas patolog&#237;as&#46;</p> <span class="elsevierStyleSectionTitle">Material y m&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Nueve pacientes operados el a&#241;o pasado en nuestra cl&#237;nica con diagn&#243;stico de PCNLS son analizados en relaci&#243;n al sexo&#44; edad&#44; tiempo de sintomatolog&#237;a&#44; procedimientos y tratamiento&#46; Posteriormente&#44; los resultados son comparados con los de la literatura&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La edad vari&#243; entre 44&#8211;68 a&#241;os &#40;media de 60&#44;6 a&#241;os&#41;&#59; 62&#44;5&#37; de los pacientes fueron del sexo femenino&#59; el tiempo medio de duraci&#243;n de los s&#237;ntomas antes del diagn&#243;stico de la enfermedad vari&#243; de 1&#8211;6 meses&#44; con un rango medio de 3&#44;2 meses&#46; Los s&#237;ntomas cl&#237;nicos m&#225;s frecuentes fueron&#58; hemiparesia &#40;75&#37;&#41;&#44; cefalea &#40;37&#44;5&#41;&#44; crisis convulsivas &#40;25&#37;&#41; y ataxia &#40;25&#37;&#41;&#46; Las localizaciones predominaron en las superficies de los l&#243;bulos parietal&#44; temporal y frontal con un 25&#37; para cada una de las localizaciones citadas&#46; Cinco pacientes &#40;50&#37;&#41; fueron tratados con biopsia estereot&#225;xica&#44; tres con cirug&#237;a &#40;37&#46;5&#37;&#41; y uno &#40;12&#46;5&#37;&#41; con ambas&#46; Cinco pacientes &#40;62&#44;5&#37;&#41; fueron sometidos a radioterapia postoperatoria como tratamiento adyuvante&#46; En relaci&#243;n con el tipo histol&#243;gico predomin&#243; el linfoma de c&#233;lulas difusas tipo B&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Este estudio demostr&#243; que la resecci&#243;n quir&#250;rgica&#44; combinada con biopsia por esterotaxia y la radioterapia dan buenos resultados&#46; Los autores recomiendan la quimioterapia solamente como segunda l&#237;nea de tratamiento&#44; en pacientes seleccionados&#46;</p>"
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Primary central nervous system lymphomas in immunocompetent patients
Linfomas primarios del sistema nervioso central en pacientes immunocompetentes
T. Alécio-Mattei
, J. Alécio-Mattei, P.H. Aguiar
Pinheiros Neurosurgery Clinic. São Paulo. Brazil
R. Ramina*
* Institute of Neurology Curitiba. Brazil
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">En este trabajo presentamos nuestra casu&#237;stica de linfomas cerebrales primarios en pacientes immunocompetentes comparandolo con los datos previos de la literatura&#44; con especial enfoque en los recientes avaces&#44; investigaciones&#44; y controversias acerca del diagn&#243;stico y manejo terap&#233;utico de estas patolog&#237;as&#46;</p> <span class="elsevierStyleSectionTitle">Material y m&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Nueve pacientes operados el a&#241;o pasado en nuestra cl&#237;nica con diagn&#243;stico de PCNLS son analizados en relaci&#243;n al sexo&#44; edad&#44; tiempo de sintomatolog&#237;a&#44; procedimientos y tratamiento&#46; Posteriormente&#44; los resultados son comparados con los de la literatura&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La edad vari&#243; entre 44&#8211;68 a&#241;os &#40;media de 60&#44;6 a&#241;os&#41;&#59; 62&#44;5&#37; de los pacientes fueron del sexo femenino&#59; el tiempo medio de duraci&#243;n de los s&#237;ntomas antes del diagn&#243;stico de la enfermedad vari&#243; de 1&#8211;6 meses&#44; con un rango medio de 3&#44;2 meses&#46; Los s&#237;ntomas cl&#237;nicos m&#225;s frecuentes fueron&#58; hemiparesia &#40;75&#37;&#41;&#44; cefalea &#40;37&#44;5&#41;&#44; crisis convulsivas &#40;25&#37;&#41; y ataxia &#40;25&#37;&#41;&#46; Las localizaciones predominaron en las superficies de los l&#243;bulos parietal&#44; temporal y frontal con un 25&#37; para cada una de las localizaciones citadas&#46; Cinco pacientes &#40;50&#37;&#41; fueron tratados con biopsia estereot&#225;xica&#44; tres con cirug&#237;a &#40;37&#46;5&#37;&#41; y uno &#40;12&#46;5&#37;&#41; con ambas&#46; Cinco pacientes &#40;62&#44;5&#37;&#41; fueron sometidos a radioterapia postoperatoria como tratamiento adyuvante&#46; En relaci&#243;n con el tipo histol&#243;gico predomin&#243; el linfoma de c&#233;lulas difusas tipo B&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Este estudio demostr&#243; que la resecci&#243;n quir&#250;rgica&#44; combinada con biopsia por esterotaxia y la radioterapia dan buenos resultados&#46; Los autores recomiendan la quimioterapia solamente como segunda l&#237;nea de tratamiento&#44; en pacientes seleccionados&#46;</p>"
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