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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Diagnosis of metastases in patients with papillary thyroid cancer by the measurement of thyroglobulin in fine needle aspirate

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Author(s):
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Rosa Paula M. Biscolla [1] ; Elza S. Ikejiri [2] ; Maria Conceição Mamone [3] ; Cláudia C.D. Nakabashi [4] ; Victor P. Andrade [5] ; Teresa S. Kasamatsu [6] ; Felipe Crispim [7] ; Maria Izabel Chiamolera [8] ; Danielle M. Andreoni [9] ; Cleber P. Camacho [10] ; Flávio C. Hojaij [11] ; José Gilberto H. Vieira [12] ; Reinaldo P. Furlanetto [13] ; Rui M.B. Maciel [14]
Total Authors: 14
Affiliation:
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[1] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[2] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[3] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[4] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[5] Laboratório Fleury
[6] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[7] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[8] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[9] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[10] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[11] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[12] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[13] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
[14] Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina
Total Affiliations: 14
Document type: Journal article
Source: Arquivos Brasileiros de Endocrinologia e Metabologia; v. 51, n. 3, p. 419-425, 2007-04-00.
Abstract

The widespread use of neck ultrasonography (US) during the follow-up of patients with papillary thyroid carcinoma (PTC) has led to the discovery of small cervical lymph nodes (LN). Although US has a high sensitivity for diagnosing LN, fine needle aspiration biopsy (FNA) and measurement of thyroglobulin in fine needle aspirates (FNA-Tg) have proven to be invaluable tools. The aim of this study is to determine the sensitivity of the combined use of neck US, FNA biopsy and FNA-Tg for diagnosis of cervical lymph nodes. We have studied 32 patients with 44 LN detected by US, 19 classified as inflammatory and 25 as suspicious. 15 of those 25 suspicious LN had high FNA-Tg (13 of the 15 had positive cytology and 2 indeterminate). All of these 15 LN (11 patients) were proven to be PTC metastasis by histopathology. All 19 inflammatory LN and those 10/25 suspicious LN, had cytology negative for malignancy and undetectable FNA-Tg. We conclude that fine needle aspiration biopsy and FNA-Tg combined with neck US are essential for detecting positive cervical lymph nodes due to its high sensitivity and specificity and it should be considered the standard for investigating locally recurrent disease in patients with PTC. (AU)