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1.
Asian J Androl ; 15(4): 558-63, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23685909

RESUMO

This study assesses the long-term outcomes in Han Chinese patients with clinical stage I non-seminomatous germ cell testicular cancer (CSI NSGCT) treated with surveillance, retroperitoneal lymph node dissection (RPLND) and adjuvant chemotherapy. We retrospectively evaluated 89 patients with a mean age of 26.5 years. After orchiectomy, 37 patients were treated with surveillance, 34 underwent RPLND and 18 were managed with chemotherapy. The overall survival rate, the recurrence-free survival rate and the risk factors were evaluated. The median follow-up length was 92 months (range: 6-149 months). Thirteen of the 89 patients (14.6%) had relapses, and one died by the evaluation date. The overall survival rate was 98.9%. The cumulative 4-year recurrence-free rates were 80.2%, 92.0% and 100% for the surveillance, RPLND and chemotherapy groups, respectively. The disease-free period tended to be briefer in patients with a history of cryptorchidism and those with stage Is. Therefore, surveillance, RPLND and adjuvant chemotherapy might be reliable strategies in compliant patients with CSI NSGCT. Surveillance should be recommended for patients with the lowest recurrence rate, especially those without lymphovascular invasion. This study might aid the establishment of a standard therapy for CSI NSGCT in China.


Assuntos
Neoplasias Embrionárias de Células Germinativas/mortalidade , Neoplasias Embrionárias de Células Germinativas/patologia , Neoplasias Testiculares/mortalidade , Neoplasias Testiculares/patologia , Adolescente , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Bleomicina/uso terapêutico , Criança , Pré-Escolar , China/epidemiologia , Cisplatino/uso terapêutico , Intervalo Livre de Doença , Etoposídeo/uso terapêutico , Seguimentos , Humanos , Lactente , Excisão de Linfonodo , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/mortalidade , Recidiva Local de Neoplasia/patologia , Estadiamento de Neoplasias , Neoplasias Embrionárias de Células Germinativas/tratamento farmacológico , Neoplasias Embrionárias de Células Germinativas/cirurgia , Orquiectomia , Estudos Retrospectivos , Fatores de Risco , Neoplasias Testiculares/tratamento farmacológico , Neoplasias Testiculares/cirurgia , Resultado do Tratamento , Adulto Jovem
2.
J Cancer Res Clin Oncol ; 138(6): 939-45, 2012 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-22350505

RESUMO

PURPOSE: To investigate associations between genetic variants involved in microRNA networks (microRNA biogenesis, microRNA and microRNA binding sites) and risk of gastric cancer. METHODS: We genotyped 19 SNPs of the microRNA-related genes in a case-control study of 311 gastric cancers and 425 cancer-free controls in a Chinese Han population. RESULTS: We found that two of the SNPs were significantly associated with gastric cancer. Inhibitory effect of minor allele T of rs2071504 SNP within the exon of POLR2A gene was significantly associated with gastric carcinogenesis (p = 0.033, aOR = 0.742, 95%CI = 0.564-0.977) and the SNP rs895819 in the miR-27a gene with the minor allele C presented significantly reduced risk to gastric cancer (p = 0.037, aOR = 0.771, 95%CI = 0.604-0.985). Further stratified analysis with regard to clinical pathological parameters of the patients indicated that the SNP rs2071504 was associated with lymph node metastasis (p = 0.021, aOR = 0.529, 95%CI = 0.307-0.910) and TMN stage (p = 0.021, aOR = 0.532, 95%CI = 0.311-0.908), respectively. CONCLUSIONS: Our findings provided evidence that the SNP rs2071504 in the exon of POLR2A gene would not only confer a decreased risk of gastric cancer, but also influence lymph node metastasis and TMN stage of gastric cancer in the Chinese population.


Assuntos
Transformação Celular Neoplásica/genética , MicroRNAs/genética , Neoplasias Gástricas/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Alelos , Povo Asiático/genética , Estudos de Casos e Controles , Progressão da Doença , Éxons/genética , Feminino , Predisposição Genética para Doença , Humanos , Metástase Linfática , Masculino , Pessoa de Meia-Idade , Polimorfismo de Nucleotídeo Único , Risco , Neoplasias Gástricas/patologia , Adulto Jovem
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