PMID: 25736114Mar 5, 2015Paper

¹⁸F-FDG PET/CT for predicting outcomes of diffuse large B-cell lymphoma: shall it be performed in the interim versus later phase of chemotherapy?

Nan fang yi ke da xue xue bao = Journal of Southern Medical University
Huizhi LiYe Dong

Abstract

To compare the value of ¹⁸F-FDG PET/CT performed in the interim and later phase of chemotherapy in predicting the prognosis of diffuse large B-cell lymphoma (DLBCL). ¹⁸F-FDG PET/CT was performed in 71 patients with DLBCL in the interim phase of chemotherapy (3-4 cycles) and in another 71 patients in the later phase of chemotherapy (5-8 cycles). The patients were followed up for an average of 28.73 months (18-114 months) to compare the progression-free survival (PFS) and the PFS rate. The positive finding rate was similar between ¹⁸F-FDG PET/CT performed in the interim and the later phase (36.6% vs 33.8%, X²=12.423, P>0.05). The PFS was much longer in patients with negative findings than in those with positive findings in both the interim (63.56 vs 19.23 months, P=0.000) and later phase groups (65.78 vs 24.32 months, P=0.000), but showed no significant difference between the negative patients (P>0.05) or between the positive patients (P>0.05) in the two groups. The PFS rate was significantly greater in patients with negative than those with positive findings in the interim group (73.3% vs 15.4%, P=0.000) and in the later phase group (74.5% vs 16.7%, P=0.000), but comparable between the negative (P>0.05) and between the positive ...Continue Reading

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