Current medical imaging reviews · 2020
Evaluation of the Reliability of Interim PET/CT in the Hodgkin Lymphoma.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Eren Rafet, Gündoğan Cihan, Aslan Ceyda, Koç Alper, Doğu Mehmet Hilmi, Altındal Şermin, Yokuş Osman, Suyanı Elif, Çermik Tevfik Fikret
Аннотация
INTRODUCTION: Positron-emission tomography (PET)/computerized tomography (CT) with 18F-fludeoxyglucose (FDG) has been come into use for risk assessment of Hodgkin lymphoma (HL) patients in recent years. The aim of our study is to evaluate the reliability of interim PET results according to Deauville score (DS), and also to compared PET findings with tumor reduction on CT.
METHODS: Forty-two HL patients (median 39, range 19-75 y, 27 M, 15 F) were retrospectively evaluated with pre, interim and post-treatment PET/CT imaging. PET/CT imaging was obtained 60 min after the intravenous administration of 3.7-5.2 MBq/kg 18F-FDG.
RESULTS: The negative predictive value of the interim PET was 89%. Four (10.5%) of the 38 interim PET-negative patients became post-treatment PET-positive. According to CT, 15 patients were in complete remission (CR), 27 (64.6%) patients were in partial remission (PR) or stable disease (SD).
CONCLUSION: The negative predictive value of interim PET was not satisfactory considering the treatment rate of over 80% of HL. Additionally, high rate of interim PET-negative patients' conversion to PET-positive post-treatment state was considered as unexpected.
METHODS: Forty-two HL patients (median 39, range 19-75 y, 27 M, 15 F) were retrospectively evaluated with pre, interim and post-treatment PET/CT imaging. PET/CT imaging was obtained 60 min after the intravenous administration of 3.7-5.2 MBq/kg 18F-FDG.
RESULTS: The negative predictive value of the interim PET was 89%. Four (10.5%) of the 38 interim PET-negative patients became post-treatment PET-positive. According to CT, 15 patients were in complete remission (CR), 27 (64.6%) patients were in partial remission (PR) or stable disease (SD).
CONCLUSION: The negative predictive value of interim PET was not satisfactory considering the treatment rate of over 80% of HL. Additionally, high rate of interim PET-negative patients' conversion to PET-positive post-treatment state was considered as unexpected.