The aim of the study is assessment the efficacy of empiric RAI therapy in DTC patients with elevated thyroglobulin levels and negative iodine scintigraphy.
Thyroid cancer is the most common endocrine malignancy. Differentiated thyroid cancer (DTC) accounting for more than 90% of all thyroid cancers. The standard treatment of patients with (DTC) consists of surgery followed by radioactive iodine therapy (RAI).The response to initial therapy is usually assessed by serum thyroglobulin (Tg) levels and neck ultrasonography (US) according to American Thyroid Association (ATA) guidelines. Some patients with elevated serum Tg levels don't not show evidence of structural disease during follow up. Diagnostic iodine-131 (131I) whole body scan (WBS) has been largely used for assessment of disease status. Empiric RAI administration can be considered in patients with elevated Tg values after the first treatment and without evidence of structural disease (negative iodine scintigraphy). Our approach is assessment the efficacy of empiric RAI therapy in DTC patients with elevated thyroglobulin levels and negative iodine scintigraphy.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
100
empirical dose of RAI
efficacy of empirical radioactive iodine therapy
by assessment of tumor marker (serum thyroglobulin ) if decreased after empirical therapy
Time frame: 2 years
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