Dokumentdetails
ID

doi:10.1007/s00432-023-05146-7...

Autor
Li, Yonghao Gao, Xuefei Guo, Tiantian Liu, Jing
Langue
en
Editor

Springer

Kategorie

Medicine & Public Health

Jahr

2023

Auflistungsdatum

23.08.2023

Schlüsselwörter
papillary thyroid carcinoma of the... solitary lymph node metastasis (lnm) nomograms risk stratification carcinoma intraoperative papillary thyroid preoperative ptc presence diameter independent location node lymph age metastasis solitary clnm isthmus nomograms 0
Metrisch

Zusammenfassung

Background This study was conducted to develop nomograms and validate them by assessing risk factors for the development of central lymph node metastasis (CLNM) in patients with solitary papillary thyroid carcinoma of the isthmus (PTCI) for predicting the probability of CLNM.

Methods Demographic and clinicopathological variables of patients with solitary papillary thyroid carcinoma (PTC) from May 2018 to May 2023 at the First Hospital of Shanxi Medical University were retrospectively analyzed, and the lobar group and the isthmus group were divided according to tumor location.

Patients with the same sex, age difference of less than 3 years, and equal gross tumor diameter were selected from the lobar group and compared with the paraisthmic tumor group.

Independent risk factors were determined using univariate and multivariate logistic regression analysis.

On this basis, clinical predictive nomograms were developed and validated.

Results Clinical data from 326 patients with solitary PTCI and 660 cases of solitary lobar PTC were used for analysis in our study.

The incidence of solitary tumors CLNM located in the median isthmus, paracentral isthmus, and lobes was 69.8%, 40.9%, and 33.6%, respectively.

Statistical analysis revealed that gender, age, isthmus location, maximum nodal diameter, the presence of possible CLNM in advance on preoperative ultrasound, chronic lymphocytic thyroiditis, and the lymphocyte/monocyte ratio were independent risk factors for preoperative CLNM in patients with solitary PTCI.

Age, isthmus location, chronic lymphocytic thyroiditis, gross tumor diameter, presence of intraoperative extrathyroidal extension, and presence of metastasis in the Delphian lymph node on frozen section were independent risk factors for intraoperative CLNM.

The concordance indices of nomograms for preoperative and intraoperative are 0.871 and 0.894 in the training set and 0.796 and 0.851 in the validation set, calibration curve and decision curve analysis also demonstrated the strong reliability and clinical applicability of this clinical prediction model.

Conclusion In this study, we concluded that solitary PTCI is more aggressive compared to solitary lobar PTC, and we constructed nomograms and risk stratification to accurately identify patients with solitary PTCI who are at high risk of developing CLNM, which will help clinicians in personalized decision making.

Li, Yonghao,Gao, Xuefei,Guo, Tiantian,Liu, Jing, 2023, Development and validation of nomograms for predicting the risk of central lymph node metastasis of solitary papillary thyroid carcinoma of the isthmus, Springer

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