Advanced age and differentiated thyroid carcinoma: a retrospective cohort study investigating surgical outcomes and recurrence risk - Summary - MDSpire

Advanced age and differentiated thyroid carcinoma: a retrospective cohort study investigating surgical outcomes and recurrence risk

  • By

  • Eun Jin Kim

  • Seung Jae Lee

  • Eun Hwa Kim

  • Ji An Lee

  • Dong Hyun Seo

  • Jiahn Park

  • Sunmi Park

  • Sungkeun Kang

  • Sang Wook Kang

  • Jong Ju Jeong

  • Kee Hyun Nam

  • Woong Youn Chung

  • Young Suk Jo

  • Jandee Lee

  • May 8, 2026

  • 0 min

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Objective:

To evaluate the clinical characteristics, postoperative complications, and long-term outcomes, including recurrence rates and survival, of differentiated thyroid carcinoma (DTC) in older patients and assess the effect of advanced age on recurrence risk and surgical morbidity.

Key Findings:
  • Older patients exhibited more aggressive tumor features, including higher rates of extrathyroidal extension (70.6% in Group C vs. 51.6% in Group A, p<0.0001) and distant metastasis (p=0.0006).
  • Postoperative complications were more common in older patients, with seroma rates at 15.58% in Group C compared to 2.85% in Group A (p<0.0001), and recurrent laryngeal nerve injury at 2.16% vs. 0.45% (p=0.0001), respectively.
  • Recurrence risk increased with age, with a hazard ratio of 1.894 for patients aged ≥75 years (95% CI: 1.156–3.104, p=0.0113).
Interpretation:

Advanced age correlates with more aggressive DTC and higher recurrence risk, yet thyroidectomy remains an effective treatment option, necessitating close surveillance and tailored monitoring strategies for older patients.

Limitations:
  • The study is retrospective, which may introduce selection bias affecting the generalizability of the findings.
  • Exclusion of patients with less than 5 years of follow-up may limit the generalizability of recurrence data.
Conclusion:

Despite the increased risks associated with advanced age, thyroidectomy is a viable treatment for older patients with DTC, highlighting the need for careful monitoring and tailored strategies to optimize outcomes.

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