Abstract
Thyroid nodules in children are extremely uncommon and in most cases present as asymptomatic neck masses. The significance of a thyroid nodule in a child involves the underlying risk of malignancy. The purpose of this study was to assess the validity of results of fine-needle aspiration biopsy (FNAB) of thyroid nodules in the pediatrie population and its usefulness in peiatrie patient management. FNAB was performed on a total of 57 thyroid nodules from 57 patients between 1992 and 1997. The patients included 46 females and 11 males ranging in age from 9 to 20 years (average 16.5 years). Surgical and/or clinical follow up was available in all patients. FNAB diagnoses included papillary thyroid carcinoma (FTC) (12.3% [7/57]), follicular neoplasm (FN) (15.8% [9/57]), atypical cytology (8.8% [5/57]) and nonneoplastic thyroid (63.2% [36/57]). Surgical follow-up available in all patients with cytological diagnoses of PTC, FN, and atypical cytology revealed malignancy in 13 cases. Of the 36 patients with nonneoplastic cytological diagnosis, surgical excision was performed in 3 patients and the rest were followed up clinically. Surgical excision in these 3 patients revealed follicular carcinoma (FC) (1 case) and multinodular goiter (2 cases). Overall, 14 patients (24.6%) had malignant thyroid lesions, including 11 PTC and 3 FC. In conclusion, the majority of peiatrie thyroid nodules are benign. The prevalence of malignancy in peiatrie patients with thyroid nodules in our series was 24.6%. High diagnostic accuracy of thyroid FNAB improves selection of peiatrie patients requiring surgery.
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