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      Experiencia de 10 años en linfomas oculares y de anexos oculares Translated title: Ten year experience with ocular lymphomas and ocular adnexae lymphomas

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          Abstract

          Antecedentes. Los linfomas oculares (LO) y de los anexos oculares (LAO) tienen una incidencia de 7- 8% de todos los tumores extraganglionares. Objetivo. Describir las características clínicas, morfológicas e inmunofenotípicas de los LO y LAO atendidos en el Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán. Material y métodos. Se revisaron los expedientes de los pacientes con diagnóstico de LO y LAO de julio de 1994 a julio del 2005. Se analizaron los siguientes datos: presentación clínica, tratamiento, respuesta al tratamiento, supervivencia global, y supervivencia libre de enfermedad (SVLE). Resultados. Se analizaron 10 pacientes, 8 mujeres y 2 hombres. La media de edad fue de 50 años. La remisión completa (RC) se presentó en 8 de 10 pacientes y en los apacientes con linfoma de tejido linfoide asociado a mucosas (MALT). Se encontraron dos con enfermedad refractaria, los cuales estaban en estadio IV. Conclusiones. En este estudio los LO y LAO correspondieron a 0.02% de todos los linfomas no Hodgkin (LNH) estudiados (498 casos). Los linfomas tipo MALT se presentan a edadmás avanzada, se encontraron en estadios más tempranosy en todoshuboRC, con una SVLE promedio de 868 días y una media de supervivencia de 442 días.

          Translated abstract

          Background. Ocular lymphomas and ocular adnexae lymphomas (OL and O AL) constitute 7-8% of all extranodal lymphomas. Objective. Describe the clinical, morphologic and immunophenotypic characteristics of OAL seen in our hospital. Material and methods. Retrospective analysis of patient records with OL and OAL between July 1994 and July 2005. The following data was analyzed: Clinical presentation, therapy, treatment response, overall survival and disease free survival. Results. Ten patientswith OL and OAL were identified. Of these, 8 were women and 2 men. Median age was 50. Eight of 10 patients achieved complete remission, 6 of the 6 presenting MALT Lymphoma. Two patients with stage IV had refractory disease. Conclusions. In our series 0.02% of lymphomas were OL and OAL of a total 498 LNH. MALT lymphomas appear at a more advanced age, sixty percent of the cases were MALT lymphomas and were diagnosed during their early stages. Patients were followed during 21 months, global survival was 100%, free illness survival had a mean of 868 days and a survival median of 442 days.

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          Most cited references38

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          A revised European-American classification of lymphoid neoplasms: a proposal from the International Lymphoma Study Group.

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            Infection-associated lymphomas derived from marginal zone B cells: a model of antigen-driven lymphoproliferation.

            Non-Hodgkin lymphomas develop from nodal and extranodal lymphoid tissues. A distinct subset of extranodal lymphomas arising from B cells of the marginal zone (MZ) of mucosa-associated lymphoid tissue (MALT) or spleen has been individualized. Growing evidence indicates that MZ lymphomas are associated with chronic antigenic stimulation by microbial pathogens and/or autoantigens. The list of microbial species associated with MZ lymphoproliferations has grown longer with molecular investigations and now comprises at least 5 distinct members: H. pylori, C. jejuni, B. burgdorferi, C. psittaci, and hepatitis C virus (HCV), which have been associated with gastric lymphoma, immunoproliferative small intestinal disease, cutaneous lymphoma, ocular lymphoma, and spleen lymphoma, respectively. A pathophysiologic scenario involving chronic and sustained stimulation of the immune system leading to lymphoid transformation has emerged. It defines a distinct category of infection-associated lymphoid malignancies, in which the infectious agent does not directly infect and transform lymphoid cells, as do the lymphotropic oncogenic viruses Epstein-Barr virus (EBV), human herpesvirus 8 (HHV8), and human T-lymphotropic virus 1 (HTLV-1), but rather indirectly increases the probability of lymphoid transformation by chronically stimulating the immune system to maintain a protracted proliferative state.
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              Occurrence and prognosis of extranodal lymphomas

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                Author and article information

                Journal
                gmm
                Gaceta médica de México
                Gac. Méd. Méx
                Academia Nacional de Medicina de México A.C. (Ciudad de México, Ciudad de México, Mexico )
                0016-3813
                2696-1288
                October 2006
                : 142
                : 5
                : 393-397
                Affiliations
                [01] Metepec Edo. de México orgnameCentro Médico ISSEMyM orgdiv1Departamento de Hematología México roxio721110@ 123456hotmail.com
                Article
                S0016-38132006000500006 S0016-3813(06)14200500006
                ca9081c6-d030-47ab-9d86-59801cc78740

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 12 May 2006
                : 17 April 2006
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 5
                Product

                SciELO Mexico

                Categories
                Artículos originales

                linfoma ocular,conjuntival hyperemia,lymphoid tissue,adnexae,ocular lymphoma,Extranodal lymphoma,hiperemia conjuntiva,linfomas de tejido linfoide asociado a mucosa,linfoma de anexos oculares,Linfoma extraganglionar

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