Abstract
Background
The goals of this study were to analyze clinical factors that affect cervical lymph node metastasis (LNM) in papillary thyroid cancer (PTC), and to evaluate the diagnostic accuracy of preoperative ultrasound (US) and computed tomography (CT) of the neck.
Methods
The study sample included 589 consecutive patients who underwent surgery for PTC. Patient age and sex, number, size, and location of tumors, lymphovascular invasion, and extrathyroidal extension were evaluated as risk factors for central and lateral LNM.
Results
Increased risk of lymph node metastasis was found for male patients, <45 years old, with tumor size >1 cm, lymphovascular invasion, and extrathyroidal invasion. Cancers located in the upper neck had a higher relative risk of lateral metastasis than cancers located in the lower neck. Sensitivity of both US and CT imaging was higher for lateral (70-80%) than for central (42-47%) LNM. Specificity of US and CT was high (92-97%) for both central and lateral LNM. Using central lymph node size of greater than 5 mm as an indicator of metastasis, preoperative US had 58.3% sensitivity and 71.4% specificity.
Conclusions
Preoperative US and CT imaging are useful for identifying features that indicate a high risk of LNM and for determining appropriate management of PTC.
Similar content being viewed by others
References
Simon D, Goretzki PE, Witte J et al (1996) Incidence of regional recurrence guiding radicality in differentiated thyroid carcinoma. World J Surg 20:860–866 (discussion 866)
Caron NR, Clark OH (2005) Papillary thyroid cancer: surgical management of lymph node metastases. Curr Treat Options Oncol 6:311–322
Kupferman ME, Patterson M, Mandel SJ et al (2004) Patterns of lateral neck metastasis in papillary thyroid carcinoma. Arch Otolaryngol Head Neck Surg 130:857–860
Roh JL, Kim JM, Park CI (2008) Lateral cervical lymph node metastases from papillary thyroid carcinoma: pattern of nodal metastases and optimal strategy for neck dissection. Ann Surg Oncol 15:1177–1182
Scheumann GF, Gimm O, Wegener G et al (1994) Prognostic significance and surgical management of locoregional lymph node metastases in papillary thyroid cancer. World J Surg 18:559–567 (discussion 567–558)
Sivanandan R, Soo KC (2001) Pattern of cervical lymph node metastases from papillary carcinoma of the thyroid. Br J Surg 88:1241–1244
Noguchi S, Murakami N (1987) The value of lymph-node dissection in patients with differentiated thyroid cancer. Surg Clin North Am 67:251–261
Cooper DS, Doherty GM, Haugen BR et al (2006) Management guidelines for patients with thyroid nodules and differentiated thyroid cancer. Thyroid 16:109–142
Stulak JM, Grant CS, Farley DR et al (2006) Value of preoperative ultrasonography in the surgical management of initial and reoperative papillary thyroid cancer. Arch Surg 141:489–494 (discussion 494–486)
Ito Y, Tomoda C, Uruno T et al (2004) Preoperative ultrasonographic examination for lymph node metastasis: usefulness when designing lymph node dissection for papillary microcarcinoma of the thyroid. World J Surg 28:498–501
Kim E, Park JS, Son KR et al (2008) Preoperative diagnosis of cervical metastatic lymph nodes in papillary thyroid carcinoma: comparison of ultrasound, computed tomography, and combined ultrasound with computed tomography. Thyroid 18:411–418
Kuna SK, Bracic I, Tesic V et al (2006) Ultrasonographic differentiation of benign from malignant neck lymphadenopathy in thyroid cancer. J Ultrasound Med 25:1531–1537 quiz 1538-1540
Park JS, Son KR, Na DG et al (2009) Performance of preoperative sonographic staging of papillary thyroid carcinoma based on the sixth edition of the AJCC/UICC TNM classification system. AJR Am J Roentgenol 192:66–72
Roh JL, Park JY, Kim JM et al (2009) Use of preoperative ultrasonography as guidance for neck dissection in patients with papillary thyroid carcinoma. J Surg Oncol 99:28–31
Shimamoto K, Satake H, Sawaki A et al (1998) Preoperative staging of thyroid papillary carcinoma with ultrasonography. Eur J Radiol 29:4–10
Kessler A, Rappaport Y, Blank A et al (2003) Cystic appearance of cervical lymph nodes is characteristic of metastatic papillary thyroid carcinoma. J Clin Ultrasound 31:21–25
Antonelli A, Miccoli P, Ferdeghini M et al (1995) Role of neck ultrasonography in the follow-up of patients operated on for thyroid cancer. Thyroid 5:25–28
Steinkamp HJ, Cornehl M, Hosten N et al (1995) Cervical lymphadenopathy: ratio of long- to short-axis diameter as a predictor of malignancy. Br J Radiol 68:266–270
Som PM, Brandwein M, Lidov M et al (1994) The varied presentations of papillary thyroid carcinoma cervical nodal disease: CT and MR findings. AJNR Am J Neuroradiol 15:1123–1128
Sywak M, Cornford L, Roach P et al (2006) Routine ipsilateral level VI lymphadenectomy reduces postoperative thyroglobulin levels in papillary thyroid cancer. Surgery 140:1000–1005 (discussion 1005–1007)
Son YI, Jeong HS, Baek CH et al (2008) Extent of prophylactic lymph node dissection in the central neck area of the patients with papillary thyroid carcinoma: comparison of limited versus comprehensive lymph node dissection in a 2-year safety study. Ann Surg Oncol 15:2020–2026
Rosario PW, de Faria S, Bicalho L et al (2005) Ultrasonographic differentiation between metastatic and benign lymph nodes in patients with papillary thyroid carcinoma. J Ultrasound Med 24:1385–1389
Binyousef HM, Alzahrani AS, Al-Sobhi SS et al (2004) Preoperative neck ultrasonographic mapping for persistent/recurrent papillary thyroid cancer. World J Surg 28:1110–1114
Gonzalez HE, Cruz F, O’Brien A et al (2007) Impact of preoperative ultrasonographic staging of the neck in papillary thyroid carcinoma. Arch Otolaryngol Head Neck Surg 133:1258–1262
Clark OH (1996) Predictors of thyroid tumor aggressiveness. West J Med 165:131–138
Alzahrani AS, Al Mandil M, Chaudhary MA et al (2002) Frequency and predictive factors of malignancy in residual thyroid tissue and cervical lymph nodes after partial thyroidectomy for differentiated thyroid cancer. Surgery 131:443–449
Yamashita H, Noguchi S, Murakami N et al (1999) Extracapsular invasion of lymph node metastasis. A good indicator of disease recurrence and poor prognosis in patients with thyroid microcarcinoma. Cancer 86:842–849
Davidson HC, Park BJ, Johnson JT (2008) Papillary thyroid cancer: controversies in the management of neck metastasis. Laryngoscope 118:2161–2165
Frilling A, Tecklenborg K, Gorges R et al (2001) Preoperative diagnostic value of [(18)F] fluorodeoxyglucose positron emission tomography in patients with radioiodine-negative recurrent well-differentiated thyroid carcinoma. Ann Surg 234:804–811
Yoon DY, Hwang HS, Chang SK et al (2009) CT, MR, US, (18)F-FDG PET/CT, and their combined use for the assessment of cervical lymph node metastases in squamous cell carcinoma of the head and neck. Eur Radiol 19(3):634–642
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Choi, Y.J., Yun, J.S., Kook, S.H. et al. Clinical and Imaging Assessment of Cervical Lymph Node Metastasis in Papillary Thyroid Carcinomas. World J Surg 34, 1494–1499 (2010). https://doi.org/10.1007/s00268-010-0541-1
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00268-010-0541-1