Blood Res.  2021 Jun;56(2):72-78. 10.5045/br.2021.2020328.

Clinical impact of lymphatic spread in patients with limited-stage upper aerodigestive tract NK/T cell lymphoma

  • 1Department of Hematology, Hanyang University Hanmaeum Changwon Hospital, Changwon, Busan, Korea
  • 2Department of Hematology-Oncology, Pusan National University Hospital Medical Research Institute, Busan, Korea
  • 3Department of Oncology, Dong-A University Hospital, Busan, Korea
  • 4Department of Hematology, Busan Haeundae Paik Hospital, Busan, Korea
  • 5Department of Hematology, Busan Paik Hospital, Busan, Korea


We investigated whether distance max , that is, the degree of distance between the upper aerodigestive tract (UAT) mass and the farthest pathologic lymph node, was significantly associated with survival in patients with limited-stage UAT natural killer/T cell lymphoma (NKTCL).
A total of 157 patients who received chemotherapy (CTx) with/without radiotherapy (RTx) were enrolled.
In the survival analysis, an elevated lactate dehydrogenase level [progression-free survival (PFS): hazard ratio (HR), 2.948; 95% confidence interval (CI), 1.606‒5.404; P <0.001; overall survival (OS): HR, 2.619; 95% CI, 1.594‒4.822; P =0.003], short distance max (PFS: HR, 0.170; 95% CI, 0.071‒0.410; P <0.001; OS: HR, 0.142; 95% CI, 0.050‒0.402; P < 0.001), and CTx combined with RTx (HR, 0.168; 95%CI, 0.079‒0.380; P < 0.001; OS: HR, 0.193; 95% CI, 0.087‒0.429; P <0.001) had an independent predictive value for PFS and OS.
The evaluation of the degree of lymphatic spread and local control by CTx combined with RTx is essential in patients with limited-stage UAT NKTCL.


Upper aerodigestive tract; Radiotherapy; Natural killer/T cell lymphoma
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