Annals of oncology : official journal of the European Society for Medical Oncology · 2009
Positron emission tomography at the end of first-line therapy and during follow-up in patients with Hodgkin lymphoma: a retrospective study.
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Mocikova H, Obrtlikova P, Vackova B, Trneny M
Аннотация
BACKGROUND: Routine positron emission tomography (PET) in follow-up of Hodgkin lymphoma (HL) after treatment is still controversial. The aim of this retrospective study was to analyze the clinical impact of routine PET examination during the follow-up for relapse detection in PET-negative HL patients at the end of therapy.
PATIENTS AND METHODS: PET scans were carried out in 113 HL patients at the end of therapy and during the follow-up either in regular intervals or in a suspected relapse. Median follow-up of the group was 34 months.
RESULTS: Overall 327 PET scans were evaluated in 113 patients (median three PET scans per patient). At the end of therapy, 94 (83.2%) patients were PET negative and 19 (16.8%) PET positive. Regular follow-up PET scans in 67 of 94 PET-negative patients correctly identified tumor in 6 of 155 PET scans (3.9%). In 27 of 94 patients with clinically suspected relapse, 5 of 27 PET scans (18.5%) confirmed tumor.
CONCLUSIONS: Our analysis showed that there is no need for regular follow-up with PET scans in PET-negative patients at the end of therapy: the ratio of true-positive PET scans during the follow-up is low (3.9%). Positive PET at the end of therapy and during follow-up should be evaluated with caution.
PATIENTS AND METHODS: PET scans were carried out in 113 HL patients at the end of therapy and during the follow-up either in regular intervals or in a suspected relapse. Median follow-up of the group was 34 months.
RESULTS: Overall 327 PET scans were evaluated in 113 patients (median three PET scans per patient). At the end of therapy, 94 (83.2%) patients were PET negative and 19 (16.8%) PET positive. Regular follow-up PET scans in 67 of 94 PET-negative patients correctly identified tumor in 6 of 155 PET scans (3.9%). In 27 of 94 patients with clinically suspected relapse, 5 of 27 PET scans (18.5%) confirmed tumor.
CONCLUSIONS: Our analysis showed that there is no need for regular follow-up with PET scans in PET-negative patients at the end of therapy: the ratio of true-positive PET scans during the follow-up is low (3.9%). Positive PET at the end of therapy and during follow-up should be evaluated with caution.