2021
DOI: 10.21037/gs-20-521
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Clinical implications of Delphian lymph node metastasis in papillary thyroid carcinoma

Abstract: Background: As is known, identifying risk factors precisely for lymph node metastasis (LNM) plays a vital role in initial treatment for papillary thyroid carcinoma (PTC). Nonetheless, whether Delphian lymph node (DLN) metastasis has value in predicting LNM remains an open question. This study covered a sample of 1,575 patients, which is the largest sample group so far, aiming to assess the predictive validity of DLN metastasis in PTC. Methods: This retrospective cohort study was conducted with 1,575 eligible P… Show more

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Cited by 10 publications
(9 citation statements)
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“…At our institution, lymph nodes in central compartment are classified as DLN, pretracheal and paratracheal nodes, respectively, and then routinely sent for frozen section examination separately. It was revealed in our previous study that the status of DLN based on frozen section examination was an independent predictor of CLNM and associated with poor prognostic features (14). And our findings of the present study further proves it, showing that 86.3% of DLN-positive patients have CLMN, compared with 43.9% of DLN-negative patients.…”
Section: Discussionsupporting
confidence: 85%
See 1 more Smart Citation
“…At our institution, lymph nodes in central compartment are classified as DLN, pretracheal and paratracheal nodes, respectively, and then routinely sent for frozen section examination separately. It was revealed in our previous study that the status of DLN based on frozen section examination was an independent predictor of CLNM and associated with poor prognostic features (14). And our findings of the present study further proves it, showing that 86.3% of DLN-positive patients have CLMN, compared with 43.9% of DLN-negative patients.…”
Section: Discussionsupporting
confidence: 85%
“…At our institution, it is customary to perform pCLND for PTC patients and the detailed surgical procedures were described in previous articles (13,14). Soft tissues in the prelaryngeal and pretracheal regions were removed and marked as the Delphian (Figure 1) and pretracheal LNs, respectively.…”
Section: Surgical Strategymentioning
confidence: 99%
“…Compelling evidence demonstrates that the majority of anterior laryngeal lymph node drainage originates from the superior thyroid lobe, the isthmus, and the conus of the thyroid. As such, anterior laryngeal lymph node metastasis is hypothesized to have a close association with the lesion location, especially in the isthmus and upper third of the thyroid gland ( 15 , 18 , 20 ). For instance, Chai et al.…”
Section: Discussionmentioning
confidence: 99%
“…Anatomically, the prelaryngeal lymph nodes are located between the thyroid cartilage and hyoid bone to drain the lymph of the thyroid and larynx, which is close to the location of lymph nodes in level II. Some scholars have suggested that the lymphatic vessels accompanying the superior thyroid artery mainly collect the drained lymph from the upper part of the thyroid gland into the venous system through the lateral lymph node[ 23 , 25 - 27 ]. Our research indicated that the probability of ipsilateral level-II LNM also increased with primary tumor size and tumor location, and the importance level was relatively high.…”
Section: Discussionmentioning
confidence: 99%