Abstract
To investigate the clinical characteristics, treatment and prognostic factors of patients with extranodal NK/T cell lymphoma. The clinical data of patients with extranodal NK/T cell lymphoma admitted in the Hospital Affiliated to the Academy of Military Medical Science from June 2006 to June 2016 were retrospectively analyzed. The clinical features, therapeutic efficacy and prognosis-related factors were clarified. A total of 84 patients with extranodal NK/T cell lymphoma with complete clinical data were collected, with a median follow-up of 21 months (1-123 months), the overall survival (OS) and progression free survival (PFS) were 58.9% and 52.1% years, respectively. Univariate analysis showed that anemia, the copy number of EBV-DNA, LDH level, IPI score, ECOG score, Ann Arbor staging, complete remission after the initial therapy were statistically significant for both OS and PFS of the patients, and chemotherapy regimens were only statistically significant for PFS. Multivariate analysis showed that complete remission after the initial therapy, LDH level and ECOG score were statistically significant for both OS and PFS in patients with NK/T cell lymphoma. LDH level, ECOG score and complete remission after the initial therapy are independent prognostic factors for patients with extranodal NK/T cell lymphoma.
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