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Rigshospitalet - en del af Københavns Universitetshospital
E-pub ahead of print

Risk Factors for Recurrence of Follicular Thyroid Cancer: A Systematic Review

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

DOI

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Vis graf over relationer

Background: In risk assessment of recurrence, papillary thyroid cancer (PTC) and follicular thyroid cancer (FTC) are often grouped together as differentiated thyroid cancer (DTC). However, while risk factors affecting recurrence of PTC are well established, risk factors for recurrence of FTC are not. This systematic review examines risk factors for recurrence of FTC and evaluates their significance. Methods: A systematic search on PubMed and Embase was performed in September 2020, including studies evaluating risk factors for recurrence of FTC. A quality assessment of the enrolled studies was performed. Results: Nine studies (n = 1544 patients) from eight countries were included. The average recurrence rate was 13.6%, and distant metastasis (DM) constituted 64.8% of the recurrent cases. The risk factors examined were sex, age at diagnosis, primary tumor size, degree of invasiveness, focality, positive resection margin, lymph node (LN) metastasis, and DM at diagnosis. Risk factors correlated with recurrence of FTC were age older than 45 years, primary tumor size above 40 mm, widespread invasion, multifocality, positive resection margin, LN metastasis, and DM at diagnosis. Sex was not a statistically significant risk factor. Conclusions: We identified seven risk factors associated with recurrence of FTC. Age and multifocality were found to be of greater impact regarding recurrence risk of FTC compared with PTC. Future research needs to address the impact of different risk factors for recurrence of FTC particularly including age, primary tumor size, angioinvasion, and mutational status.

OriginalsprogEngelsk
TidsskriftThyroid : official journal of the American Thyroid Association
ISSN1050-7256
DOI
StatusE-pub ahead of print - 5 jul. 2021

ID: 67741891