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Clinical characteristics and disease outcome of patients with non‑medullary thyroid cancer and brain metastases

  • Authors:
    • Ilana Slutzky‑Shraga
    • Alex Gorshtein
    • Aharon Popovitzer
    • Eyal Robenshtok
    • Gloria Tsvetov
    • Amit Akirov
    • Dania Hirsch
    • Carlos Benbassat

  • View Affiliations

  • Published online on: November 1, 2017     https://doi.org/10.3892/ol.2017.7325
  • Pages: 672-676

  • Copyright: © Slutzky‑Shraga et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Brain metastases from non‑medullary thyroid carcinoma (NMTC) are rare, with a reported frequency of ~1%, and patient survival time is <1 year after diagnosis. The optimal management of brain metastases in this setting continues to be debated. The aim of the present study was to evaluate a series of patients with brain metastases from NMTC attending a single tertiary medical center. The electronic database of Rabin Medical Center was reviewed for all patients with NMTC and distant metastases who were diagnosed and treated between 1970 and 2014. Those with brain metastases were identified and formed the study group. Data were collected from medical records comprising clinicopathological characteristics, time intervals for diagnosis and treatment, treatment modalities and outcome. Of the 172 patients with NMTC and distant metastases, 10 possessed brain metastases. These included 6 females and 4 males of median age 53.5 years (range, 18‑81 years). All patients had lung metastases and 7 demonstrated bone metastases. The median interval between the diagnoses of NMTC and brain metastases was 40 months (range, 9‑207 months). Of the 10 patients, 1 presented with brain metastases at primary diagnosis. Treatment of the brain metastases consisted of surgery, radiotherapy (external beam, stereotactic), and radioiodine, alone or in combination. A total of 2 patients received tyrosine kinase inhibitors. The median overall survival time from diagnosis of brain metastasis was 15 months. A total of 2 patients remained alive at the last follow‑up (32 and 300 months, respectively). The present study demonstrated that brain metastases may occur in ≤6% of patients with NMTC and distant metastases. Brain metastases rarely present at diagnosis of NMTC and are associated with metastases in other distant sites. Systematic screening for brain metastases requires consideration in all patients with NMTC and distant metastases. Some patients show an indolent evolution with overall survival of >2 years, supporting an aggressive treatment approach.
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January-2018
Volume 15 Issue 1

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Slutzky‑Shraga I, Gorshtein A, Popovitzer A, Robenshtok E, Tsvetov G, Akirov A, Hirsch D and Benbassat C: Clinical characteristics and disease outcome of patients with non‑medullary thyroid cancer and brain metastases. Oncol Lett 15: 672-676, 2018
APA
Slutzky‑Shraga, I., Gorshtein, A., Popovitzer, A., Robenshtok, E., Tsvetov, G., Akirov, A. ... Benbassat, C. (2018). Clinical characteristics and disease outcome of patients with non‑medullary thyroid cancer and brain metastases. Oncology Letters, 15, 672-676. https://doi.org/10.3892/ol.2017.7325
MLA
Slutzky‑Shraga, I., Gorshtein, A., Popovitzer, A., Robenshtok, E., Tsvetov, G., Akirov, A., Hirsch, D., Benbassat, C."Clinical characteristics and disease outcome of patients with non‑medullary thyroid cancer and brain metastases". Oncology Letters 15.1 (2018): 672-676.
Chicago
Slutzky‑Shraga, I., Gorshtein, A., Popovitzer, A., Robenshtok, E., Tsvetov, G., Akirov, A., Hirsch, D., Benbassat, C."Clinical characteristics and disease outcome of patients with non‑medullary thyroid cancer and brain metastases". Oncology Letters 15, no. 1 (2018): 672-676. https://doi.org/10.3892/ol.2017.7325