Tumor size and presence of calcifications on ultrasonography are pre-operative predictors of lymph node metastases in patients with papillary thyroid cancer

Nephtali R. Gomez, Guennadi Kouniavsky, Hua Ling Tsai, Helina Somervell, Sara I. Pai, Ralph P. Tufano, Christopher Umbricht, Jeanne Kowalski, Alan P B Dackiw, Martha A. Zeiger

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background and Objectives: Lymph node metastases in papillary thyroid cancer (PTC) are common and their presence can significantly alter the treatment for patients with PTC. We therefore sought to identify pre-operative predictors of lymph node metastases in patients with PTC. Methods: A thyroid tumor database was queried to identify patients with a pre-operative diagnosis of PTC and underwent thyroidectomy between January 2006 and August 2009. One hundred and three patients who had a pre-operative ultrasound and had lymph nodes surgically resected were identified. Clinical factors and tumor ultrasound characteristics were recorded. The pre-operative ultrasound Results:, type of operation, and final pathology Results: were also recorded. Results: Of the 103 patients, 74 (72%) were women and 29 (28%) were men with an age range of 15-78 years (median age of 43). Of the ultrasound characteristics evaluated only calcifications (P=0.007) and size (P=0.003) werestatistically associated with positive cervicallymph nodes. Noneofthe other demographic or clinical factors were significantly associated with lymph node metastases. Conclusions Thyroid nodule size and presence of calcifications on ultrasound were found to have a statistically significant association with lymph node metastases in patients with PTC. This information could be used to guide the surgical management of these patients.

Original languageEnglish (US)
Pages (from-to)613-616
Number of pages4
JournalJournal of Surgical Oncology
Volume104
Issue number6
DOIs
StatePublished - Nov 1 2011

Keywords

  • lymph node metastases
  • papillary thyroid cancer
  • predictors
  • ultrasound

ASJC Scopus subject areas

  • Surgery
  • Oncology

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