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Thyroid Isthmusectomy for Well-Differentiated Thyroid Cancer

  • Endocrine Tumors
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Annals of Surgical Oncology Aims and scope Submit manuscript

Abstract

Background

The American Thyroid Association guidelines do not mention isthmusectomy as an appropriate procedure for thyroid cancer. Despite this, a small number of patients present with lesions isolated to the thyroid isthmus, which can be excised without exploring the trachyesophageal grooves or total thyroidectomy. This study was designed to analyze outcomes in patients treated with isthmusectomy for small well-differentiated thyroid cancer (WDTC) at our institution.

Methods

Nineteen patients with WDTC managed by isthmusectomy were identified from a database of 1,810 patients (1%) with WDTC managed by surgery in Memorial Sloan Kettering Cancer Center from 1986–2005. Demographic, surgical, pathological, and outcomes data were analyzed.

Results

Six patients were men and 13 were women. The median age was 46 (range, 28–83) years. All patients had a solitary nodule confined to the thyroid isthmus. The median size of lesion was 1 (range, 0.4–3) cm. Eighteen patients had a pathologically T1 lesion (pT1), and one patient had a pT2 lesion. Two patients had papillary carcinoma detected in perithyroid lymph nodes (pN1a). There were no complications of recurrent laryngeal nerve palsy or hypocalcaemia.

With a median follow-up of 124 (range, 53–276) months, the 10-year disease-specific survival was 100% and 100% local and regional 10-year recurrence-free survival.

Conclusions

Our results suggest that isthmusectomy alone may be sufficient treatment for selected patients with small WDTC limited to the isthmus. This procedure has the benefit of avoiding dissection of the recurrent laryngeal nerve and parathyroid glands, thus limiting postoperative complications.

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Conflicts of interest

The authors confirm that they have no commercial of financial interests to disclose.

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Authors and Affiliations

  1. Department of Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA

    Iain J. Nixon MD, Frank L. Palmer BA, Monica M. Whitcher BA, Ashok R. Shaha MD, Jatin P. Shah MD, Snehal G. Patel MD & Ian Ganly MD, PhD

Authors
  1. Iain J. Nixon MD
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  2. Frank L. Palmer BA
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  3. Monica M. Whitcher BA
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  4. Ashok R. Shaha MD
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  5. Jatin P. Shah MD
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  6. Snehal G. Patel MD
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  7. Ian Ganly MD, PhD
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Corresponding author

Correspondence to Ian Ganly MD, PhD.

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Nixon, I.J., Palmer, F.L., Whitcher, M.M. et al. Thyroid Isthmusectomy for Well-Differentiated Thyroid Cancer. Ann Surg Oncol 18, 767–770 (2011). https://doi.org/10.1245/s10434-010-1358-8

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  • DOI: https://doi.org/10.1245/s10434-010-1358-8

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