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Chest. 2003 Aug;124(2):608-13.

Value of F-18 fluorodeoxyglucose positron emission tomography for predicting the clinical outcome of patients with aggressive lymphoma prior to and after autologous stem-cell transplantation.

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Ahmanson Biological Imaging Clinic, Department of Molecular and Medical Pharmacology, UCLA School of Medicine, Los Angeles, CA 90095, USA.



To determine and compare the values of positron emission tomography (PET) with F-18 fluorodeoxyglucose (FDG) and CT for predicting clinical outcome of patients with aggressive lymphoma undergoing salvage cytoreductive chemotherapy followed by high-dose chemotherapy and autologous stem-cell transplantation (ASCT).


Forty-three patients with lymphoma who underwent ASCT with FDG-PET evaluation were studied. Group 1 (n = 20) patients (6 patients with Hodgkin disease [HD], and 14 patients with non-Hodgkin lymphoma [NHL]) underwent PET 2 to 5 weeks after initiation of salvage chemotherapy, prior to ASCT. Group 2 (n = 23) patients (6 patients with HD, and 17 patients with NHL) underwent PET within a median interval of 2.4 months (range, 2 to 6 months) after ASCT.


Study end points were complete remission, relapse, or death. In group 1, 8 of 20 patients (40%) were disease free after a median follow-up of 13.3 months; 12 patients relapsed or died. PET findings were true-negative in 7 of 8 patients and true-positive in 11 of 12 patients who relapsed after ASCT. In group 2, 9 of 23 patients (39%) were disease free after a median follow-up of 16.5-months; 14 patients relapsed. PET findings were true-negative in 8 of 9 patients and true-positive in 13 of 14 patients who relapsed. Positive and negative predictive values of PET were 92% and 88% (group 1) and 93% and 89% (group 2), respectively. Predictive accuracy values of PET were 90% and 91% for group 1 and group 2, respectively, vs 58% and 67% for CT (p < 0.05).


PET findings but not CT results were strongly correlated with disease-free survival (p < 0.01). Our results show that FDG-PET can be used to predict the post-ASCT outcome of lymphoma patients with high accuracy.

[Indexed for MEDLINE]

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