Isthmectomy is effective and sufficient for selected patients with solitary papillary thyroid carcinoma confined to the isthmus

To retrospectively analyze the outcomes of patients treated with isthmusectomy for a solitary papillary thyroid carcinoma (PTC) confined to the isthmus, and re-assess the role of isthmusectomy in these patients. The medical records of 65 patients who underwent isthmusectomy for a solitary PTC confin...

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Bibliographic Details
Published inAsian journal of surgery
Main Authors Huang, Hui, Yan, Dangui, Liu, Wensheng, Liu, Shaoyan, Xu, Zhengang, Wang, Xiaolei
Format Journal Article
LanguageEnglish
Published Elsevier Taiwan LLC
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Summary:To retrospectively analyze the outcomes of patients treated with isthmusectomy for a solitary papillary thyroid carcinoma (PTC) confined to the isthmus, and re-assess the role of isthmusectomy in these patients. The medical records of 65 patients who underwent isthmusectomy for a solitary PTC confined to the isthmus at the National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College between 1985 and 2015 were retrospectively reviewed. Demographic data, surgical procedures, pathological characteristics, stages, and outcomes were analyzed. Patients’ median age was 39 years (range, 19–63), and the majority were female (86.2% female, 13.8% male). All patients had a solitary PTC confined to the isthmus and were treated with isthmusectomy. Pretracheal lymph node dissection was performed in 34 patients, in which unilateral central neck dissection was performed in 4 patients and bilateral central neck dissection in 2 patients. Microscopic extrathyroidal extension (ETE) was observed in 23 (35.4%) patients, and macroscopic ETE was observed in 3 (4.6%) patients. Thirty-eight (58.5%) patients were stage pT1a, 19 (29.2%) patients were stage pT1b, 5 (7.7%) patients were stage pT2, and 3 (4.6%) patients were stage p3b. Fifteen (23.1%) patients were stage pN1a. Median follow-up time was 78 months (range, 12–274). Two patients experienced a recurrence and both achieved remission after re-operation. The 10-year recurrence-free survival was 92.1%. The 10-year overall survival and disease specific survival were 98.3% and 100%, respectively. Isthmusectomy is effective and sufficient for select patients with a solitary PTC confined to the isthmus.
ISSN:1015-9584
DOI:10.1016/j.asjsur.2021.08.074