Prediction of papillary thyroid cancer recurrence according to preoperative data

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OBJECTIVE

To create a formalized method for predicting papillary thyroid cancer recurrence after hemithyroidectomy based on preoperative data.

MATERIAL AND METHODS

At this stage of the study, we selected 101 patients with papillary thyroid cancer who underwent surgical treatment in 2017—2023. Recurrence was observed in in 47 patients. Fifty-four patients had no recurrence within 5 years after surgical treatment, i.e. these patients underwent surgery in 2017—2018. To find prediction rules, we used original classification method based on searching for subsets of variables and piecewise linear rules separating classes in pairs with subsequent voting of such rules to make a decision.

RESULTS

The exam was carried out using a training sample (101 cases) and sliding control method (10 tests on 10 random cases). On the training sample, sensitivity of predictive algorithm was 91%, specificity 78% and error rate 13%. The aggregated result of 10 trials using sliding control method revealed sensitivity of predictive algorithm 86%, specificity 75% and error rate 15%. This result is close to overall sample and confirms the effectiveness of this method for predicting recurrence.

CONCLUSION

The pilot experiments revealed the patterns in data for potential prediction of recurrence based on preoperative indicators. Further study of this problem may be valuable for decision-making and adjustments in the management of patients with papillary thyroid cancer.

Keywords:

thyroid gland

papillary cancer

preoperative examination

surgical treatment

recurrence

prognosis

Authors:

Kuznetsov N.S.

Endocrinology Research Center

ORCID: 0000-0002-9419-7013

Skibitskaya M.V.

Endocrinology Research Center

ORCID: 0000-0003-1908-1720

Vaynshtok A.P.

Kharkevich Institute for Information Transmission Problems

ORCID: 0000-0001-5032-1038

Vashchenko E.A.

Kharkevich Institute for Information Transmission Problems

Received:

29.03.2024

Accepted:

22.04.2024

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