期刊
ANNALS OF ONCOLOGY
卷 17, 期 11, 页码 1661-1664出版社
ELSEVIER
DOI: 10.1093/annonc/mdl285
关键词
rectal cancer; anemia; prognostic factors
类别
Background: We hypothesized that anemia could represent one of the major factors influencing the outcome of patients undergoing neo-adjuvant treatment of rectal cancer. Patients and methods: This analysis included all the consecutive patients who underwent neo-adjuvant treatment (chemotherapy and/or radiotherapy) before surgery for rectal cancer in three oncology/radiotherapy departments from June 1996 to December 2003. Results: Three hundred and seventeen patients were eligible for our analysis. Median age at diagnosis was 64 years (range 26-88 years); male/female ratio was 184/133. Two hundred and eighty-five patients (89.9%) were diagnosed with adenocarcinoma, while 32/317 (10.1%) with mucinous adenocarcinoma. Neo-adjuvant treatments carried out were as follows: radiotherapy alone in 75/317 patients (23.7%), radiotherapy plus chemotherapy in 242/317 patients (76.3%). At univariate and multivariate analysis, only the hemoglobin (Hb) level (group 1: <= 12 g/dl versus group 2: > 12 g/dl) resulted in a significant factor for disease-free survival. The role of the Hb level seemed to be confirmed further by the clinical downstaging obtained in similar to 55% of patients in group 2, in comparison with 35% of the patients achieving a significant downstaging in group 1. Conclusion: Our results indicated that anemia could represent an important parameter able to influence the outcome in patients receiving neo-adjuvant treatment of rectal cancer.
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