Utility of 99mTc-Sestamibi SPECT/CT in the Early Localization of Metastatic Parathyroid Carcinoma | ||
Asia Oceania Journal of Nuclear Medicine and Biology | ||
مقاله 13، دوره 6، شماره 2، مهر 2018، صفحه 171-178 اصل مقاله (1.97 M) | ||
نوع مقاله: Case report | ||
شناسه دیجیتال (DOI): 10.22038/aojnmb.2017.27484.1190 | ||
نویسندگان | ||
Patrick Earl Amparado Fernando* ؛ Patricia Amado Bautista | ||
Department of Nuclear Medicine and PET Center St. Luke's Medical Center Bonifacio Global City, Taguig, Philippines | ||
چکیده | ||
Parathyroid carcinoma is very rare, with only a few documented cases. Hence, metastatic lesions are infrequently documented on scintigraphic imaging. We present a case of a 63-year-old female presenting with elevated serum levels of ionized calcium and parathyroid hormone (PTH) who was referred to our department for a parathyroid scan with SPECT/ CT. Parathyroid scintigraphy showed a focus of increased 99mTc-sestamibi uptake corresponding to a solid mass with calcification in the inferior pole of the right thyroid lobe; tracer retention was noted on delayed images. Incidentally, focal uptake was also seen in a soft tissue mass on the 7th right rib. The patient soon underwent total thyroidectomy, with biopsy revealing parathyroid carcinoma on the right lobe. A bone scan done 7 months after surgery confirmed the presence of metastatic bone disease. The concomitant detection of intrathyroidal and extrathyroidal sestamibiavid masses on parathyroid scintigraphy should increase clinical suspicion of a metastatic process from parathyroid carcinoma. | ||
کلیدواژهها | ||
Parathyroid carcinoma؛ SPECT/CT؛ 99mTc-sestamibi | ||
مراجع | ||
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