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1.
Rev Gastroenterol Peru ; 24(3): 238-62, 2004.
Article in Spanish | MEDLINE | ID: mdl-15483686

ABSTRACT

INTRODUCTION: Primary Gastric Lymphoma is an uncommon malignancy among gastric malignancies. Histology of the Primary Gastric Lymphoma is varied and the extranodal marginal zone B-cells lymphoma is specially significant on account of its potential remission with antibiotic therapy. OBJECTIVES: Observe the clinical characteristics of patients with Primary Gastric Lymphoma, assess the most relevant endoscopic findings, identify the factors that influence survival and evaluate the effects of therapy. MATERIALS AND METHODS: The study is an observational, analytical, cross evaluation including 169 patients with histological diagnosis of Gastric Lymphoma, treated at the National Institute for Neoplastic Diseases, Lima, Peru, from January 1995 to December 2000. Staging was based on the Ann Arbor system, modified by Musshoff and histology, on the REAL-WHO classification. The statistical analysis included the student-t and the chi-square tests. Survival data were entered using the Kaplan Meier curves and prognosis factors, using the Cox regression test. RESULTS: The sample represents patients from the Peruvian Coast, with a mean age of 55 years old and slight predominance of female patients (54.4%). Signs and symptoms are unspecific. Clinical stage I-II corresponds to 75% of the patients. The endoscopic pattern of multiple ulcerated lesions is characteristic of the Gastric Lymphoma. A total of 71% of the patients with extranodal marginal zone B-cells lymphoma showed total remission of the disease with antibiotic therapy (5/7). The histological type of the Gastric Lymphoma in the 169 patients was as follows: Large, diffuse, B-cells Lymphoma, 137 patients, extranodal marginal zone B-cells lymphoma, 16 patients, peripheral T-cell Lymphoma, 6 patients, anaplastic large T-cell Lymphoma, 3 patients, undetermined Lymphoma, 3 patients, mantle cell Lymphoma, 2 patients, adult T-cell Lymphoma, 1 patient and follicular Lymphoma, 1 patient. Global survival after 36 months was of 61.34%, survival according to the histological type was of 92.31% for extranodal marginal zone B-cells Lymphomas, 62.21% for large, diffuse B-cells Lymphomas and 29.63% for T-cell Lymphomas. Survival after 36 months in patients in clinical stage I-II treated with chemotherapy, was of 82.16%, with surgery, 71.89% and with surgery and chemotherapy, 70.39, with similar results in all three groups (p: 0.6530). The groups classified according to the international index, showed a clear difference between them (p:0.0000). The univariate analysis revealed that Zubrod (p:0.0000) DHL (p:0.0073) disease remission (p:0.0000) stage (p:0.0000) treatment (p:0.0000) and location (p:0.0000) had statistical significance. Multivariate analysis showed that in the Cox regression model, remission (OR:13,342, p:0.0000) and location (OR:2.375, p:0.041) fall within the equation of such function. CONCLUSIONS: The multiple ulcerated lesions are characteristic of the Gastric Lymphoma. Remission of the disease in the extranodal marginal zone B-cells Lymphoma is evidenced with the use of antibiotic therapy (5/7). Chemotherapy in patients with EC I-II achieves survival results similar to those treated with surgery and with a combination of both. Validity of the international index is confirmed and the multivariate analysis proved that remission and location of the disease have statistical significance.


Subject(s)
Lymphoma, B-Cell, Marginal Zone/pathology , Stomach Neoplasms/pathology , Aged , Cross-Sectional Studies , Female , Humans , Lymphoma, B-Cell, Marginal Zone/classification , Lymphoma, B-Cell, Marginal Zone/epidemiology , Middle Aged , Neoplasm Staging , Stomach Neoplasms/classification , Stomach Neoplasms/epidemiology
2.
Rev. gastroenterol. Perú ; 15(1): 43-8, ene.-abr. 1995. tab
Article in Spanish | LILACS | ID: lil-161878

ABSTRACT

OBJETIVO: Determinación de la morbilidad y mortalidad post operatorias de la gastroenteroanastomosis en pacientes con cáncer gástrico avanzado. DISEñO DEL ESTUDIO: Revisión retrospectiva de las historias clínicas de todos los pacientes con cáncer gástrico obstructivo distal sometidos a gastroenteroanastomosis en el Instituto de Enfermedades Neoplásicas entre 1980 y 1993. Se analizaron: edad, sexo, hemoglobina, albúmina, riesgo quirúrgico, ascitis, extensión de enfermedad, tiempo operatorio, estancia hospitalaria, morbilidad y moratalidad post operatorias. RESULTADOS: Se realizaron 198 gastroenteroanastomosis con una morbilidad y mortalidad del 20 por ciento y 10 porciento, respectivamente. La neumonía fue la principal causa de morbilidad y mortalidad post operatorias. El riesgo quirúrgico elevado (3-4), la invasión tumoral a órganos vecinos y la presencia de la metástasis peritoneal demostraron ser factores asociados con mayor morbilidad postoperatoria (p<0.05). El único factor de pronóstico de mortalidad postoperatoria fue el riesgo quirúrgico elevado (p<0.01). CONCLUSIONES: Debido a la elevada morbimortalidad post operatoria, la gastroenteroanastomosis no debe realizarse en pacinetes con cáncer gástrico avanzado y riesgo quirúrgico alto


Subject(s)
Humans , Male , Female , Gastroenterostomy/mortality , Gastroenterostomy/statistics & numerical data , Stomach Neoplasms/surgery , Pneumonia/complications , Pneumonia/mortality , Stomach Neoplasms/epidemiology , Stomach Neoplasms/mortality , Stomach Neoplasms/therapy
3.
Rev. gastroenterol. Perú ; 9(2): 91-4, mayo-ago. 1989. tab
Article in Spanish | LILACS, LIPECS | ID: lil-83062

ABSTRACT

En este estudio fueron admitidos 31 pacientes evaluables con diagnóstico de Cáncer Gástrico. La edad media fue 71 años (rango 24-82). 22 fueron varones. Ninguno recibió quimioterapia previa. La capacidad funcional fue 0-1 en 26/31 (60.6%). Los síntomas más frecuentes fueron: baja de peso 21/31 (75.1%) y dolor abdominal en 13/31 (40.3%). 10 pacientes fueron catalogados como Borrmann III y 9 Borrmann IV. 21 casos fueron sometidos a cirugía: 12 gastrectomía paliativa y 9 laparotomía exploradora. 23 casos fueron Adenocarcinoma y 8 Carcinoma indiferenciado. Se administró el régimen FEM (5 Fluoruracilo 600 mg/m2/ día 1 y 8, Epidoxorubicina 30 mg/m2/día y Mitomicina 10 mg/m2/día), 10 de 24 pacientes (41.7%) alcanzaron remisión parcial con una sobrevida media de 10.5 meses. 3 pacientes tuvieron una respuesta subjetiva con una sobrevida media de 6 meses. La sobrevida media en el grupo de no respuesta fue 3 meses (rango 2 a 7 meses). La diferencia de sobrevida entre el grupo que respondió y no respuesta fue estadísticamente significativa. La sobrevida en el grupo que recibió tratamiento adyuvante fue 5.7 meses (rango 2 a 16). 1 de 3 pacientes sobrevive sin evidencia de enfermedad al completar el estudio. 23 fallecieron y 5 se perdieron de vista. El efecto secundario más común fue alopecia (74%), náuseas y vómito (60%), y leucopenia menor de 3000 en 54%. No hubo ningún caso de cardiotoxicidad


Subject(s)
Humans , Adult , Middle Aged , Male , Female , Digestive System Neoplasms , Fluorouracil/therapeutic use , Mitomycins/therapeutic use , Antineoplastic Agents/adverse effects
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