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Minerva Chirurgica 2012 December;67(6):475-80


language: English

The predictive value of the clinical features of malignancy in cases of preoperative follicular thyroid neoplasia

Soyder A. 1, Ünübol M. 2, Şen O. 3, Özbaş S. 1, Koçak S. 4

1 Department of General Surgery, Adnan Menderes University School of Medicine, Aydin, Turkey; 2 Division of Endocrinology, Adnan Menderes University School of Medicine, Aydın, Turkey; 3 Department of General Surgery, Special İzan Health Hospital, Milas/Muğla, Turkey; 4 Güniz Sokak, Kavaklıdere, Ankara, Turkey


AIM: It is generally impossible to make a distinction between benign and malign with a cytopathological examination using a fine needle aspiration biopsy (FNAB) in follicular lesions of the thyroid gland. Thjs is the reason why lesions are frequently reported as follicular neoplasia (FN). Our study aims to examine the predictive value of carcinoma detection of different clinical features in cases with determined FN with FNAB.
METHODS: Clinical and histopathological data of a total of 116 patients (26 male, 90 female) subjected to surgery because of thyroid gland pathology with FN between March 1997 and December 2011 were retrospectively examined in two different centers.
RESULTS: Results of the histopathological examinations were reported as: carcinoma in 33 (28.4%) cases (18 [54.5%] cases with papillary thyroid cancer, 11 [33.3%] cases with follicular thyroid cancer and 4 [12.1%] cases with papillary thyroid cancer follicular variant), as follicular adenoma (FA) in 32 (27.6%) patients and as a benign colloidal nodule in 51 (43.9%) patients. No statistical significance was determined between advanced age, male sex, solid single nodule, increased nodule diameter, hypoactive nodule existence and malignancy (P>0.05).
CONCLUSION: Malignancy was found in 28.4% cases with FN detected as a result of FNAB in our study series, a ratio which is significantly higher than that reported in the literature. We think that the characteristics of the patient and the tumor are not effective in diagnosing cancer. In the case of the existence of bilateral thyroid pathology, the surgical therapy option should be bilateral total thyroidectomy due to such a high ratio of cancer occurrence.

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