Article

Gender, clinical findings, and serum thyrotropin measurements in the prediction of thyroid neoplasia in 1005 patients presenting with thyroid enlargement and investigated by fine-needle aspiration cytology.

Department of Medicine, University of Birmingham, Queen Elizabeth Hospital, Edgbaston, United Kingdom.
Thyroid (impact factor: 4.79). 12/1999; 9(11):1105-9. pp.1105-9
Source: PubMed

ABSTRACT One thousand five euthyroid patients (870 females and 135 males, mean age 47 years), who presented with thyroid enlargement were evaluated by fine-needle aspiration cytology (FNAC) of the thyroid as the first-line investigation. The final cytological or histological diagnosis was determined after surgery (n = 312) or clinical follow-up for a minimum period of 2 years (range 2-14 years, mean 6.7 years). Goiter type was assessed clinically and was classified as diffuse in 147, multinodular in 247, or solitary nodule in 611. The overall sensitivity and specificity of the procedure in the detection of thyroid neoplasia was 88% and 89%, respectively. Males who presented with thyroid enlargement had significantly higher rates of malignancy (p = 0.007) and neoplasia (benign + malignant) (p = 0.002) than females, as did subjects with solitary nodule compared with diffuse or multinodular goiters (malignancy p = 0.001, neoplasia p < 0.001). Subjects with normal thyrotropin (TSH) (>0.4 mU/L) at presentation had a nonsignificantly increased risk of thyroid neoplasia (p = 0.07) and malignancy, in contrast to those with low TSH (<0.4 mU/L). We confirmed FNAC of the thyroid to be an accurate test in the detection of thyroid neoplasia. Gender and goiter type at presentation both contribute significantly to the prediction of the diagnosis of thyroid neoplasia.

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    Article: Predictive factors of thyroid carcinoma in non-toxic multinodular goitre.
    O Alexopoulou, C Beguin, M Buysschaert, J P Squifflet, C de Burbure, P De Nayer, C Daumerie
    [show abstract] [hide abstract]
    ABSTRACT: The management of nontoxic multinodular goitre (NMNG) remains controversial. The challenge for the clinician is to identify the small proportion of NMNG patients with associated thyroid carcinoma who would thus benefit from surgery. We studied retrospectively the medical records of 80 patients with NMNG and coexisting thyroid carcinoma who underwent total thyroidectomy. Eighty total thyroidectomy patients with NMNG whose histology was benign were then randomnly chosen as controls. In univariate analysis, the following parameters were significantly more frequent in the carcinoma group: rapid growth of the goitre (p = 0.002), presence of microcalcifications (p = 0.01), hypoechogenicity (p = 0.02), firm consistency of a nodule (p = 0.03), and presence of a dominant cold nodule on scintigraphy (p = 0.03). In the multiple regression analysis, the variables significantly associated with carcinoma were rapid growth (Odds ratio (OR) = 4.13, 95% confidence interval(CI): 1.72-9.89), hypo-echogenicity (OR = 3.11, 95% CI: 1.13-8.51) and the presence of a dominant nodule (OR = 2.26, 95% CI: 1.06-4.79)). In the cancer group, tumour size was positively correlated with compression signs (p = 0.01), age (p = 0.02), the presence of a dominant nodule on scintigraphy (p = 0.02), and with rapid growth (p = 0.04). Concerning nodule size estimated on US (ultrasound), the majority (65%) of patients without carcinoma had nodules < 3 cm, whereas 73% of patients with clinical thyroid carcinoma (> or = 1 cm on histology) had nodules with a diameter of > or = 3 cm on US (p = 0.02). In conclusion, our study suggests that surgical treatment of NMNG should be proposed in the presence of rapid nodular growth, compression signs, dominant nodule on scintigraphy, nodule size > or 3 cm and hypo-echogenicity.
    Acta clinica Belgica 59(2):84-9. · 0.59 Impact Factor
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Keywords

2 years
 
accurate test
 
age 47 years
 
benign + malignant
 
clinical follow-up
 
females
 
final cytological
 
fine-needle aspiration cytology
 
first-line investigation
 
Goiter type
 
histological diagnosis
 
Males
 
malignancy p
 
multinodular goiters
 
neoplasia p
 
normal thyrotropin
 
range 2-14 years
 
solitary nodule
 
thyroid enlargement
 
thyroid neoplasia
 

H Kumar