• Langenbecks Arch Surg · Mar 2017

    The need of prophylactic central lymph node dissection is controversial in terms of postoperative thyroglobulin follow-up of patients with cN0 papillary thyroid cancer.

    • Mehmet Hakan Korkmaz, Bülent Öcal, Güleser Saylam, Erman Çakal, Ömer Bayır, Esra Tutal, and Tatar Emel Çadallı EÇ Department of Otolaryngology, Ministry of Health, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey..
    • Department of Otolaryngology, Yıldırım Beyazıt University Medical School, Ankara, Turkey.
    • Langenbecks Arch Surg. 2017 Mar 1; 402 (2): 235-242.

    PurposeThe objective of this study was to investigate whether prophylactic central lymph node dissection (pCLND) facilitates postoperative thyroglobulin (Tg) follow-up in the patients with papillary thyroid carcinoma (PTC). We also questioned whether radioactive iodine (RAI) remnant ablation provides any further advantage in this regard.MethodsThe records of patients with low-intermediate risk PTC who underwent either only total thyroidectomy (TT) or TT in conjunction with pCLND were reviewed. Adjuvant RAI ablation was performed depending on tumor diameter, multifocality, the presence of positive lymph nodes and adverse histopathologic features. Pre-ablative and post-ablative Tg levels, post-operative complications and clinico-pathological characteristics were compared between the two groups (TT alone and TT with pCLND).ResultsAmong the 302 patients, TT was performed in 140 (46.4%) and TT with pCLND in 162 (53.6%). More than half of all patients in both groups had papillary microcarcinoma (58.0% and 53,1%, respectively). Postoperatively, the median preablative Tg level was higher in the TT only group than that of the TT with pCLND group (0.96 vs 0.27 ng/ml, respectively). The post-ablative Tg levels were undetectable in both groups at the last follow-up visit. Also, a subgroup of patients (19.5%) who did not receive RAI ablation all became athyroglobulinemic at one year after surgery.ConclusionsAlthough performing pCLND with TT seems to have an advantage over TT alone as to achieve lower Tg levels in the early post-operative period, Tg levels become comparable following RAI ablation. On the other hand, the patients who have not been treated with adjuvant RAI ablation, also became athyroglobulinemic regardless of the surgical method.

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