Extremity Radioactive Iodine Uptake on Post-therapeutic Whole Body Scan in Patients with Differentiated Thyroid Cancer

نویسندگان

  • Anri Inaki Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
  • Ayane Toratani Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
  • Daiki Kayano Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
  • Junichi Taki Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
  • Seigo Kinuya Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
چکیده مقاله:

Objective(s): We investigated a frequency of lower extremity uptake on the radioactive iodine (RAI) whole body scan (WBS) after RAI treatment in patients with differentiated thyroid cancer, in order to retrospectively examine whether or not the frequency was pathological. Methods: This retrospective study included 170 patients with thyroid cancer, undergoing RAI treatment. Overall, 99r (58%) and 71 (42%)patients received single and multiple RAI treatments, respectively. Post-therapeutic WBS was acquired after 3 days of RAI administration. For patients with multiple RAI treatments, the WBS of their last RAI treatment was evaluated. Lower extremity uptake on post-therapeutic WBS was classified into 3 categories: bilateral femoral uptake (type A), bilateral femoral and tibia uptake (type B), and uptake in bilateral upper and lower extremities (type C). Then, the patients with RAI uptake in the lower extremities on WBS were analyzed with clinical parameters. Results: Overall, 99 patients (58%) had the extremity uptake on their posttherapeutic RAI WBS. As the results indicated, 42 ,53, and 4 patients had type A, type B, and type C uptakes, respectively. Lower extremity uptake was significantly associated with younger age, not only in subjects with multiple RAI treatments but also in all the patients (P

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extremity radioactive iodine uptake on post-therapeutic whole body scan in patients with differentiated thyroid cancer

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عنوان ژورنال

دوره 3  شماره 1

صفحات  26- 34

تاریخ انتشار 2015-01-01

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