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Updated: Aug 2, 2026
06:09
Quantification of Tumor Cell Adhesion in Lymph Node Cryosections
Published on: February 9, 2020
Significance of lymph node metastasis in differentiated thyroid cancer
American Journal of Surgery
|July 1, 1978
Summary
Lymph node metastasis significantly increases the risk of differentiated thyroid carcinoma recurrence and death. However, patient age is a more critical factor than nodal involvement in determining prognosis.
Area of Science:
- Oncology
- Pathology
Background:
- Differentiated thyroid carcinoma (DTC) is the most common type of thyroid cancer.
- Prognostic factors for DTC include age, tumor size, and lymph node metastasis.
- Understanding the impact of lymph node involvement on DTC outcomes is crucial for treatment planning.
Purpose of the Study:
- To investigate the prognostic significance of lymph node metastases in differentiated thyroid carcinoma.
- To compare the impact of nodal status and patient age on tumor recurrence and mortality.
Main Methods:
- Retrospective analysis of age-matched patients with differentiated thyroid carcinoma.
- Evaluation of tumor recurrence rates based on lymph node metastasis status.
- Assessment of cancer-specific mortality in relation to nodal involvement and patient age.
Main Results:
- Tumor recurrence occurred in 32% of patients with lymph node metastases versus 14% without.
- Cancer-specific mortality was 24% for patients with nodal involvement, compared to 8% without.
- Age significantly influenced mortality, with older patients (over 40) experiencing higher death rates, especially with positive nodes.
Conclusions:
- Lymph node metastasis is an adverse prognostic factor in differentiated thyroid carcinoma.
- Patient age is a more critical determinant of prognosis than nodal involvement.
- Nodal status and age together provide a more comprehensive prognostic assessment for DTC.
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