Preoperative Serum Thyroglobulin and Its Correlation with the Burden and Extent of Differentiated Thyroid Canceropen access
- Kim, Hosu; Park, So Young; Choe, Jun-Ho; Kim, Jee Soo; Hahn, Soo Yeon; Kim, Sun Wook; Chung, Jae Hoon; Jung, Jaehoon; Kim, Tae Hyuk
- Issue Date
- thyroid cancer; thyroglobulin; lymph nodes; metastasis; clinical decision making
- CANCERS, v.12, no.3
- Journal Title
- Lymph node metastasis (LNM) in differentiated thyroid cancer (DTC) is usually detected with preoperative ultrasonography; however, this has limited sensitivity for small metastases, and there is currently no predictive biomarker that can help to inform the extent of surgery required. We evaluated whether preoperative serum thyroglobulin levels can predict tumor burden and extent. We retrospectively reviewed the clinical records of 4029 DTC cases diagnosed and treated at a Samsung Medical Center between 1994 and 2016. We reviewed primary tumor size, number and location of LNM, and presence of distant metastases to reveal relationships between tumor burden and extent and preoperative serum thyroglobulin levels. We found a linear association between increasing preoperative thyroglobulin levels, the size of the primary tumor, and the number of LNM (r = 0.34, p < 0.001, r = 0.20, p < 0.001, respectively). Tumor extent also increased with each decile of increasing preoperative thyroglobulin level (r = 0.18, p < 0.001). Preoperative thyroglobulin levels of 13.15 ng/mL, 30.05 ng/mL, and 62.9 ng/mL were associated with the presence of ipsilateral lateral LNM, contralateral lateral LNM, and distant metastasis, respectively. Our results suggest that preoperative measurement of serum thyroglobulin may help to predict LNM and help to tailor surgery.
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- College of Medicine > Department of Medicine > Journal Articles
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