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KMID : 0371320080740010042
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Journal of the Korean Surgical Society
2008 Volume.74 No. 1 p.42 ~ p.47
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Central Neck Recurrence Patterns and Morbidity Following Reoperation for Recurrent Papillary Thyroid Carcinoma
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Yun Ji-Sup
Lee Yong-Sang
Jeong Jong-Ju
Nam Kee-Hyun
Chung Woong-Youn
Park Cheong-Soo
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Abstract
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Purpose: Central compartment reoperation for recurrent thyroid carcinoma is challenging to surgeons due to the scar tissues and adhesions and the distortion of the normal anatomic relationships. This study was carried out to investigate the central neck recurrence patterns and the surgical morbidity of reoperation for patients with papillary thyroid carcinoma.
Methods: The study population was comprised 68 papillary thyroid carcinoma patients (15 males and 53 females, median age: 50.8 years [range: 12∼78 years]) who underwent reoperation for recurrent tumors in the central compartment of the neck between January 1999 and June 2007. All of the patients had undergone prior total thyroidectomy.
Results: Of the 68 patients, 21 recurrences occurred in the proper thyroid tissue of the thyroid bed, 43 in the central neck nodes and 4 in a combination of the central nodes and proper thyroid tissue. The common recurrent site from the proper thyroid tissue were at the berry ligaments and at the level of the upper one-third of the recurrent laryngeal nerves, while the common nodal recurrence sites were the lower-most portion of the paratracheal nodes and the right paraesophageal nodes (the lymph nodes posterior to the right recurrent laryngeal nerve). Eleven cases of transient hy-pocalcemia (17.5%, 11/63) and 3 cases of permanent hypocalcemia (4.3%, 3/63) were noted after reoperation. Recurrent laryngeal nerve injury occurred in 5 patients (8.1%, 5/62), but three of them were intentionally resected with the recurrent cancers.
Conclusion: Reoperation for central neck recurrence of papillary thyroid carcinoma is associated with a higher complication rate. Meticulous surgical dissection of the central compartment based on the recurrent patterns is important to reduce injury to the recurrent laryngeal nerves and parathyroid glands. (J Korean Surg Soc 2008;74:42-47)
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KEYWORD
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Central neck, Recurrence, Reoperation, Surgical morbidity, Papillary thyroid carcinoma
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