Open Access

Hyperfunctioning thyroid carcinoma: A systematic review

  • Authors:
    • Jun Liu
    • Ye Wang
    • Dongzhu Da
    • Miao Zheng
  • View Affiliations

  • Published online on: October 1, 2019     https://doi.org/10.3892/mco.2019.1927
  • Pages: 535-550
  • Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Hyperthyroidism may be caused by the development of primary or metastatic thyroid carcinoma. The aim of the present study was to collect recently reported cases of hyperfunctioning thyroid carcinoma in order to analyze its pathological characteristics, diagnostic procedures and treatment strategies. A PubMed (https://www.ncbi.nlm.nih.gov/pubmed/) search was performed for studies published between January 1990 and July 2017. Full‑text articles were identified using the terms, ‘hyperfunctioning thyroid carcinoma/cancer’, ‘malignant hot/toxic thyroid nodule’, or ‘hyperfunctioning papillary/follicular/Hürthle thyroid carcinoma’. Original research papers, case reports and review articles were included. Among all thyroid carcinoma cases included in the present study, the prevalence of follicular thyroid carcinoma (FTC) was ~10%; however, the prevalence of FTC among hyperfunctioning thyroid carcinomas was markedly higher (46.5% in primary and 71.4% in metastatic disease). The size of hyperfunctioning thyroid tumors was considerably larger compared with that of non‑hyperfunctioning thyroid tumors, with a mean size of 4.25±2.12 cm in primary hyperfunctioning thyroid carcinomas. In addition, in cases of metastatic hyperfunctioning thyroid carcinoma, tumor metastases were widespread or large in size. The diagnosis of primary hyperfunctioning thyroid carcinoma is based on the following criteria: i) No improvement in thyrotoxicosis following radioactive iodine (RAI) treatment; ii) development of hypoechoic solid nodules with microcalcifications on ultrasound examination; iii) increase in tumor size over a short time period; iv) fixation of the tumor to adjacent structures; and v) signs/symptoms of tumor invasion. The diagnosis of metastatic hyperfunctioning thyroid carcinoma should be considered in patients suffering from thyrotoxicosis who present with a high number of metastatic lesions (as determined by whole‑body scanning), or a history of total thyroidectomy. Surgery is the first‑line treatment option for patients with primary hyperfunctioning thyroid carcinoma, as it does not only confirm the diagnosis following pathological examination, but also resolves thyrotoxicosis and is a curative cancer treatment. RAI is a suitable treatment option for patients with hyperfunctioning thyroid carcinoma who present with metastatic lesions.
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December-2019
Volume 11 Issue 6

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Spandidos Publications style
Liu J, Wang Y, Da D and Zheng M: Hyperfunctioning thyroid carcinoma: A systematic review. Mol Clin Oncol 11: 535-550, 2019
APA
Liu, J., Wang, Y., Da, D., & Zheng, M. (2019). Hyperfunctioning thyroid carcinoma: A systematic review. Molecular and Clinical Oncology, 11, 535-550. https://doi.org/10.3892/mco.2019.1927
MLA
Liu, J., Wang, Y., Da, D., Zheng, M."Hyperfunctioning thyroid carcinoma: A systematic review". Molecular and Clinical Oncology 11.6 (2019): 535-550.
Chicago
Liu, J., Wang, Y., Da, D., Zheng, M."Hyperfunctioning thyroid carcinoma: A systematic review". Molecular and Clinical Oncology 11, no. 6 (2019): 535-550. https://doi.org/10.3892/mco.2019.1927