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Am J Surg. 2021 Sep 29; doi: 10.1016/j.amjsurg.2021.09.018. Epub 2021 Sep 29.

Comparing the rate and extent of malignancy in surgically excised thyroid nodules across race and ethnicity.

American journal of surgery

Hui Zheng, Victoria Lai, Jana Lu, Jin K Kang, Erin A Felger, Nancy M Carroll, Kenneth D Burman, Leonard Wartofsky, Jennifer E Rosen

Affiliations

  1. MedStar-Washington Hospital Center, Division of Endocrine Surgery, 110 Irving St NW, Washington, DC, 20010, USA; MedStar-Georgetown University Hospital, Department of Surgery, 3800 Reservoir Rd NW, Washington, DC, 20007, USA. Electronic address: [email protected].
  2. MedStar-Washington Hospital Center, Division of Endocrine Surgery, 110 Irving St NW, Washington, DC, 20010, USA.
  3. Georgetown University School of Medicine, 3900 Reservoir Rd NW, Washington, DC, 20007, USA.
  4. MedStar-Washington Hospital Center, Division of Endocrine Surgery, 110 Irving St NW, Washington, DC, 20010, USA; MedStar-Georgetown University Hospital, Department of Surgery, 3800 Reservoir Rd NW, Washington, DC, 20007, USA.
  5. MedStar-Washington Hospital Center, Section of Endocrinology, 110 Irving St NW, Washington DC, 20010, USA.
  6. MedStar Health Research Institute, Thyroid Cancer Unit, 100 Irving St NW, Washington, DC, 20010, USA.

PMID: 34600740 DOI: 10.1016/j.amjsurg.2021.09.018

Abstract

BACKGROUND: Few studies have compared the features of thyroid cancer among races and ethnicities. We hypothesized that race and ethnicity may influence the frequency and features of thyroid malignancy in thyroid nodules.

METHOD: This was a retrospective chart review of patients between 2013 and 2020 who underwent thyroidectomy.

RESULTS: In the analysis of 2737 patients, thyroid cancer was less prevalent among Blacks (24.0% vs Whites 52.1%, Hispanics 58.7%, Asians 71.7%, and Others 57.9%, p < 0.001). Thyroid cancer in Blacks was less likely to have extrathyroidal extension (9.7% vs Whites 18.6%, Hispanics 25.8%, Asians 18.2%, and Others 17.8%, p = 0.01), overall nodal involvement (12.4% vs Whites 31.1%, Hispanics 37.5%, Asians 36.3%, and Others 30.1%, p < 0.01), and lateral neck metastasis (4.4% vs Whites 10.8%, Hispanics 6.3%, Asians 13.2%, and Others 9.6%, p = 0.02).

CONCLUSIONS: Race and ethnicity may play important roles in the risk of malignancy as well as in the extent of thyroid cancer.

Copyright © 2021 Elsevier Inc. All rights reserved.

Keywords: Ethnicity; Lymph node metastasis; Race; Risk stratification; Thyroid cancer; Thyroid nodules

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