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Research Letter
September 16, 2020

Changes in Diagnosis of Thyroid Cancer Among Medicaid Beneficiaries Following Medicaid Expansion

Author Affiliations
  • 1University of Michigan Medical School, Ann Arbor
  • 2Now with Bobby R. Alford Department of Otolaryngology–Head and Neck Surgery, Baylor College of Medicine, Houston, Texas
  • 3Department of Otolaryngology–Head and Neck Surgery, University of Michigan, Ann Arbor
  • 4Endocrine Section, VA Ann Arbor Healthcare System, Ann Arbor, Michigan
  • 5Department of Surgery, University of Michigan, Ann Arbor
  • 6Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor
JAMA Surg. Published online September 16, 2020. doi:10.1001/jamasurg.2020.3290

Medicaid expansion has increased cancer screening, leading to increased early-stage cancer diagnosis in patients with Medicaid.1-3 However, while studies exist for many common tumors, the association of Medicaid expansion with thyroid cancer diagnosis appears to be unknown and is important to consider, given rising concerns over overdiagnosis of small tumors with broader screening.4 To determine the outcome of Medicaid expansion, this study analyzed associations between insurance coverage, thyroid cancer diagnosis rates, and tumor size before and after Medicaid expansion.

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