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J Endocr Soc. 2018 Nov 21;3(2):359-371. doi: 10.1210/js.2018-00241. eCollection 2019 Feb 01.

Brain Metastases From Differentiated Thyroid Carcinoma: Prevalence, Current Therapies, and Outcomes.

Journal of the Endocrine Society

Cristiane J Gomes-Lima, Di Wu, Sarika N Rao, Sree Punukollu, Rama Hritani, Alexander Zeymo, Hala Deeb, Mihriye Mete, Edward F Aulisi, Douglas Van Nostrand, Jacqueline Jonklaas, Leonard Wartofsky, Kenneth D Burman

Affiliations

  1. MedStar Clinical Research Center, MedStar Health Research Institute, Washington, District of Columbia.
  2. Section of Endocrinology, MedStar Washington Hospital Center, Washington, District of Columbia.
  3. Nuclear Medicine Research, MedStar Washington Hospital Center, Washington, District of Columbia.
  4. Division of Endocrinology, Department of Medicine, Georgetown University, Washington, District of Columbia.
  5. Resident Internal Medicine - MedStar Washington Hospital Center, Washington, District of Columbia.
  6. Department of Biostatistics and Biomedical Informatics, MedStar Health Research Institute, Washington, District of Columbia.
  7. Department of Neurosurgery, MedStar Washington Hospital Center, Washington, District of Columbia.

PMID: 30706042 PMCID: PMC6348752 DOI: 10.1210/js.2018-00241

Abstract

BACKGROUND AND OBJECTIVE: The brain is an unusual site for distant metastases of differentiated thyroid carcinoma (DTC). The aim of this study was to document the prevalence of brain metastases from DTC at our institutions and to analyze the current therapies and the outcomes of these patients.

METHODS: We performed a retrospective chart review of patients with DTC and secondary neoplasia of the brain.

RESULTS: From 2002 to 2016, 9514 cases of thyroid cancer were evaluated across our institutions and 24 patients met our inclusion criteria, corresponding to a prevalence of 0.3% of patients with DTC. Fourteen (58.3%) were female and 10 (41.7%) were male. Fifteen patients had papillary thyroid cancer (PTC) (62.5%). Brain metastases were diagnosed 0 to 37 years (mean ± SD, 10.6 ± 10.4 years) after the initial diagnosis of thyroid cancer. Patients undergoing surgery had a median survival time longer than those that did not undergo surgery (27.3 months vs 6.8 months;

CONCLUSION: The prevalence of brain metastases of DTC in our institutions was 0.3% over 15 years. The median survival time after diagnosis of brain metastases was 19 months. In our study population, the use of TKI improved the survival rates.

Keywords: DTC; brain metastases; prevalence; therapies; thyroid cancer

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