| malignant neoplasms of the nasal cavity and paranasal sinuses: a series of 256 patients in mexico city and monterrey. is air pollution the missing link? | air pollution is a serious health problem in major cities in mexico. the concentrations of monitored criteria pollutants have been above the us national ambient air quality standards for the last decade. to determine whether the number of primary malignant nasal and paranasal neoplasms has increased, we surveyed 256 such cases admitted to a major adult oncology hospital located in metropolitan mexico city (mmc) for the period from 1976-1997 and to a tertiary hospital in monterrey, an industrial ... | 2000 | 10740168 |
| infectious mononucleosis hepatitis: a case-report. | 46-year-old mexican-born who lived in mexico city was admitted to the hospital for evaluation with a two-week history of fever, jaundice, and malaise. physical examination he had cardiac murmurs. the liver was palpable 2 cm below the costal margins. liver-function tests showed hypertransaminasemia. the patient had a high titer of anti-ebv igm antibodies, but tests for all other antiviral antibodies were negative. the liver biopsy shows ebv latent membrane protein. | 2004 | 15257252 |
| epstein-barr virus-associated gastric carcinoma in mexico: analysis of 135 consecutive gastrectomies in two hospitals. | epstein-barr virus (ebv) has been implicated in the genesis of gastric carcinoma. the presence of clonal episomal viral forms in the nuclei of neoplastic gastric epithelial cells suggests that viral infection occurs before the development of gastric carcinoma. mexico is a country at high risk for gastric cancer-it is the second cause of death among patients who die of cancer in that country. a series of 135 consecutive non-selected gastrectomies from two hospitals in mexico city were analyzed to ... | 1999 | 10496595 |
| non-hodgkin's lymphomas in mexico. a clinicopathological and molecular analysis. | it is now well established that the clinical and histopathological characteristics of non-hodgkin's lymphomas may vary significantly throughout the world. however, only a few reports have been published in latin american countries. in this work, the clinical and pathologic findings of 264 patients with non-hodgkin's lymphomas in mexico city were analyzed. diffuse large (14%) and diffuse mixed cell types (20%) predominated among nodal lymphomas. within the group of patients with high grade malign ... | 1998 | 9922048 |
| the lmp2 polymorphism is associated with susceptibility to acute anterior uveitis in hla-b27 positive juvenile and adult mexican subjects with ankylosing spondylitis. | an association between polymorphism of the hla linked lmp2 locus and the development of acute anterior uveitis (aau) has previously been described in b27 positive white subjects with ankylosing spondylitis (as). this study evaluated lmp2 alleles in two hla-b27 positive mexican populations of patients with spondyloarthropathy known to have a different clinical spectrum of disease from white people. | 1997 | 9306872 |
| epstein-barr virus-associated gastric carcinoma: evidence of age-dependence among a mexican population. | to investigate features of epstein-barr virus (ebv)-associated gastric carcinoma (ebvagc) among a mexican population. | 2005 | 16273633 |