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Morbidity and long-term survival in patients with cervical re-exploration for papillary thyroid carcinoma.

ABSTRACT: Background:Papillary thyroid carcinoma (PTC) has a favorable prognosis following one-stage surgical therapy, whereas two-stage resections bear the risk of increased morbidity and possibly impaired prognosis. To further elucidate the value of surgical re-exploration in PTC, a retrospective study was performed. Methods:The study involved 187 patients with PTC who underwent total thyroidectomy with central lymph node dissection between 2001 and 2011. The number of two-stage surgeries, the rates of recurrent laryngeal nerve paralysis (RLNP) as well as hypocalcemia, and the long-term survival were assessed. Results:Two-stage surgeries were performed in 43%. No statistically significant difference was seen between the one- and two-stage resection groups regarding the rate of RLNP (transient 5.6% vs. 6.3%, permanent 2.6% vs. 0%) nor for hypocalcemia (transient 25.2% vs. 18.8%, permanent 14.0% vs. 22.5%). The 10-year recurrence-free survival was 95.5% and the 10-year disease-specific survival was 98.9% with no difference between groups. Conclusion:Even though two-stage surgeries do not lead to a higher incidence of RLNP and hypocalcemia, optimal preoperative and intraoperative diagnostics have to be carried out to reduce the amount of completion surgeries.

SUBMITTER: Baerbock N

PROVIDER: S-EPMC6817731 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Morbidity and long-term survival in patients with cervical re-exploration for papillary thyroid carcinoma.

Baerbock Nenia N Mittelstädt Anke A Jähne Joachim J

Innovative surgical sciences 20190327 3

<h4>Background</h4>Papillary thyroid carcinoma (PTC) has a favorable prognosis following one-stage surgical therapy, whereas two-stage resections bear the risk of increased morbidity and possibly impaired prognosis. To further elucidate the value of surgical re-exploration in PTC, a retrospective study was performed.<h4>Methods</h4>The study involved 187 patients with PTC who underwent total thyroidectomy with central lymph node dissection between 2001 and 2011. The number of two-stage surgeries ...[more]

PMID: 31709300

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Project description:ImportanceRadiofrequency ablation (RFA) has gained increasing interest as a minimally invasive procedure to treat low-risk papillary thyroid carcinoma (PTC). Considering the indolent nature of this disease, studies in large populations with long follow-up would be invaluable to further substantiate the effectiveness of RFA.ObjectiveTo evaluate the long-term (58.5 months) outcomes of patients with T1N0M0 PTC who underwent RFA and investigate risk factors for local tumor progression (LTP).Design, setting, and participantsThis cohort study included 1613 patients aged 18 years or older with T1N0M0 PTC who underwent ultrasonography-guided RFA between January 2014 and December 2020 at the Chinese People's Liberation Army General Hospital in Beijing, China. Included in the analysis were patients with PTC (confirmed by biopsy) with a maximum diameter of 20 mm or less; no evidence of extrathyroidal extension (capsular disruption or involvement of perithyroidal tissue), lymph node metastasis, or distant metastasis on ultrasonography or computed tomography; and no evidence of an aggressive subtype of PTC on biopsy. Patients with PTC larger than 2 cm, less than 12 months of follow-up, or inadequate follow-up information were excluded. Data were analyzed in April 2023.Main outcomes and measuresLong-term progression rate, disease-free survival, and complete tumor disappearance and their associations with patient and tumor characteristics. Disease-free survival was calculated using Kaplan-Meier analysis. Cox proportional hazards regression analyses were performed to assess risk factors for LTP and complete tumor disappearance.ResultsThe study comprised 1613 patients (mean [SD] age, 43.3 [10.2] years; 1256 women [77.9%]) with 1834 T1N0M0 PTC tumors. During a mean follow-up of 58.5 months (range, 27 to 111 months), LTP was observed in 69 patients (4.3%), including 42 (2.6%) with tumor recurrence and 27 (1.7%) with tumor persistence. Cumulative disease-free survival rates at 1, 3, 5, and 8 years were 98.0%, 96.7%, 96.0%, and 95.7%, respectively. The overall complication rate was 2.0% (32 patients), with 6 (0.4%) major complications. Independent risk factors for LTP included subcapsular tumor location 2 mm or less from the capsule or trachea (hazard ratio [HR], 3.36; 95% CI, 2.02-5.59; P < .001) and multifocal tumors (HR, 2.27; 95% CI, 1.30-3.96; P = .004). Furthermore, 1376 patients (85.3%) showed complete tumor disappearance at follow-up ultrasonographic examination. Factors associated with complete tumor disappearance included age 40 years or less (HR, 0.78; 95% CI, 0.70-0.87; P < .001), stage T1a tumors (HR, 0.37; 95% CI, 0.31-0.45; P < .001), and unifocal tumors (HR, 0.50; 95% CI, 0.42-0.60; P < .001).Conclusions and relevanceIn this cohort study, ultrasonography-guided RFA for T1N0M0 PTC had excellent long-term outcomes. Patients with unifocal T1N0M0 PTC and subcapsular tumor location more than 2 mm from the capsule or trachea may be the best candidates for RFA.

Project description:BackgroundPersistent or recurrent papillary thyroid carcinoma (PTC) occurs in some patients after initial thyroid surgery and often, radioactive iodine treatment. Here, we identify the efficacy, safety, and long-term outcome of our current surgical management paradigm for persistent/recurrent PTC in the central compartment in an interdisciplinary thyroid cancer clinical and research program at a tertiary thyroid cancer referral center.MethodsWe retrospectively analyzed our standardized approach of comprehensive bilateral level VI/VII lymph node dissection (SND [VI, VII]) for cytologically confirmed PTC in the central compartment.ResultsFrom 1994 to 2004, 210 patients, median age 42 (range 12-82) underwent SND (VI, VII). Most patients (106, 51%) had already undergone ≥2 surgical procedures for persistent or recurrent disease, and 31 (15%) had distant metastases at presentation. Postoperatively, 104 (71%) of the 146 patients who were thyroglobulin (Tg) positive had no evidence of disease. Anti-Tg antibodies were present in 38 patients (18%), 17 of whom (53%) did not have anti-Tg antibodies postoperatively. Fourteen patients (7%) were hypoparathyroid at presentation, and 2 more (1%) became permanently hypoparathyroid after surgery. Four patients (2%) experienced recurrent laryngeal nerve paralysis (RLNP) of a previously functioning nerve. Unanticipated RLNP was observed in only one nerve at risk. External beam radiation was given to 33 patients (17%). An additional 17 patients (8%) developed distant metastases during follow-up. At the last follow-up, 130 (66%) of the 196 patients had no detectable Tg; of these, 99 (76%) had no further evidence of disease. A median of 7.25 years after surgery, 167 (90%) of the 185 patients were without evidence of central disease, and 18 (10%) had developed central compartment recurrences within a median interval of 24.3 months. Of those with recurrence, 16 out of 18 patients (89%) underwent a subsequent surgical procedure, thus resulting in an overall 98% central compartment control rate. Kaplan-Meier disease-specific survival at 10 years was 98.9% for patients <45 years old and 77.9% for those ≥45 years old (log-rank p<0.00001). The only predictor of central compartment recurrence was malignancy in a thyroid remnant noted within the central compartment surgical specimen.ConclusionsBilateral comprehensive level VI/VII dissections are safe and effective for long-term control of recurrent/persistent PTC in the central lymphatic compartment.

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Morbidity and long-term survival in patients with cervical re-exploration for papillary thyroid carcinoma.

Publications

Morbidity and long-term survival in patients with cervical re-exploration for papillary thyroid carcinoma.

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