Unusual presentation of recurrent papillary thyroid microcarcinoma with neck muscle and skin metastasis
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Papillary thyroid microcarcinoma is commonly considered to have a good prognosis. We report the case of a 47-year-old male patient, who was referred to our Institution for a papillary thyroid microcarcinoma infiltrating perithyroidal fibroadipose tissue, treated in 2006 with surgery and in 2007 with 131I-therapy (3700 MBq). He was followed up between 2007 and 2017 and was free of disease based on serum Tg and ultrasonography; then, suddenly, some pimple-like neck skin lesions appeared that were not responsive to topical therapy.
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Conflict of interest
The authors declare that they have no conflict of interest.
All diagnostic and therapeutic procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Declaration of Helsinki and its later amendments, or comparable ethical standards.
Informed consent was obtained from the individual participants included in the study.
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