American journal of surgery · 2024
Long term outcomes after repeat lymph node dissections for persistent or recurrent differentiated thyroid cancer.
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Barrio Martin Jose, Pozdeyev Nikita, McIntyre Robert C, Albuja-Cruz Maria B, Haugen Bryan R, Raeburn Christopher D
Аннотация
BACKGROUND: The primary treatment for locoregional recurrent/persistent differentiated thyroid cancer (DTC) is repeated lymph node dissection; however, there are limited reports on the safety and long-term efficacy of multiple operations.
METHODS: Patients who underwent a cervical lymph node dissection between 1998 and 2022 were included in this study. Demographics, initial thyroid surgery, subsequent lymph node dissections, follow up information, and response to therapy were acquired.
RESULTS: After one, two, three and four re-operations, 112/314 (35.7 %), 16/79 (20.3 %), 3/25 (12 %), and 0/3 (0 %) patients (p < 0.001) had an excellent response, respectively, resulting in a cumulative rate of 41.7 % (131/314). The risk for permanent hypoparathyroidism (2.9 %) or recurrent laryngeal nerve injury (2.2 %) was 5.1 % (14/272). This was higher in patients undergoing re-operative central neck dissection (CNDx) (8.7 %, 10/114) versus those who did not undergo a previous CNDx (2.5 %, 4/158, p < 0.02).
CONCLUSIONS: Surgery remains the primary treatment for recurrent/persistent DTC, however, the likelihood of an excellent response decreases with additional operations. The risk of permanent complications is low but is more likely to occur during redo CNDx.
METHODS: Patients who underwent a cervical lymph node dissection between 1998 and 2022 were included in this study. Demographics, initial thyroid surgery, subsequent lymph node dissections, follow up information, and response to therapy were acquired.
RESULTS: After one, two, three and four re-operations, 112/314 (35.7 %), 16/79 (20.3 %), 3/25 (12 %), and 0/3 (0 %) patients (p < 0.001) had an excellent response, respectively, resulting in a cumulative rate of 41.7 % (131/314). The risk for permanent hypoparathyroidism (2.9 %) or recurrent laryngeal nerve injury (2.2 %) was 5.1 % (14/272). This was higher in patients undergoing re-operative central neck dissection (CNDx) (8.7 %, 10/114) versus those who did not undergo a previous CNDx (2.5 %, 4/158, p < 0.02).
CONCLUSIONS: Surgery remains the primary treatment for recurrent/persistent DTC, however, the likelihood of an excellent response decreases with additional operations. The risk of permanent complications is low but is more likely to occur during redo CNDx.