OBJECTIVE:

To describe FNA results in the etiological diagnosis of thyroid nodules.

PATIENTS AND METHODS:

Observational, retrospective study of patients with goiter who consulted between January 2006 and December 2013.

RESULTS:

42 patients studied, 33 (86%) women and 6 (14%) men, between 18 and 72 years (average 43.65 years). Diagnosis by FNAP: 8 (19%) BETHESDA I, 24 (57%) BETHESDA II, 9 (22%) BETHESDA III, 1 (2%) BETHESDA VI. Categories IV and V were not submitted. Pathological results: 22 (52%) Multinodular colloid goiter, 5 (12%) Hashimoto's thyroiditis, 4 (10%) follicular adenoma, 4 (10%) nodular colloid goitre, 4 (10%) Papillary carcinoma, 1 (2%) ) Hurthle cell carcinoma, 1 (2%) cystic multinodular goiter, 1 (2%) follicular carcinoma. BETHESDA I punctures, 100% (8 cases) were benign. BETHESDA II, 95% (23 OF 24) benign, 5% (1) corresponded to a follicular carcinoma. BETHESDA III, 55% (5) benign and 45% (4) malignant (3 papillary carcinomas and 1 Hurthle cell carcinoma). BETHESDA VI, 100% (1 case) papillary carcinoma.

CONCLUSION:

FNAB is useful to study nodular nodular neoplasms. It presents little technical difficulty, low cost and is minimally invasive.

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