Searchable abstracts of presentations at key conferences in endocrinology
Endocrine Abstracts (2015) 37 EP1040 | DOI: 10.1530/endoabs.37.EP1040

ECE2015 Eposter Presentations Thyroid (non-cancer) (160 abstracts)

Sensitivity and specificity of thyroid cytology in the diagnosis of malignancy: results of a series of 1567 thyroidectomies

Dulce Ma Calderón 1 , Sandra Herráiz 2 , Julia Sastre 3 , Abel González 4 , Belén Fernández 4 , Miguel Angel Valero 5 & Miguel Aguirre 4

1Hospital Virgen de la Luz, Cuenca, Spain; 2Hospital Universitario de Guadalajara, Guadalajara, Spain; 3Hospital Virgen de la Salud, Toledo, Spain; 4Hospital General de Ciudad Real, Ciudad Real, Spain; 5Hospital Nuestra Sra. del Prado, Talavera de la Reina, Spain.

Introduction: Sensitivity and specificity of thyroid cytology in our series of thyroidectomies were evaluated.

Material and methods: A retrospective, multicentre study of 1567 thyroidectomies performed in the eight hospitals of Castilla La Mancha (Spain) during the years 2010–2013.

Results: The cytological results were benign in 37.6% of cases, malignant or suspicious of malignancy in 17.3% (10 and 7.3% respectively). In 4.1% of cases the cytology was atypical or indeterminate and in 12.5% follicular proliferation/follicular lesion. There were 8% non-diagnostic cytologies. In patients whose prequirúgical FNA was nondiagnostic, 20.6% had a carcinoma. Overall, 25.6% of patients had thyroid carcinoma. The sensitivity and specificity of suspicion of malignancy or malignant thyroid cytology for the diagnosis of malignancy was 75.8 and 90.3% respectively. There were 3.5% false positive and 4.5% false negative results.

Conclusions: Thyroid cytology is the diagnostic technique of choice for the study of thyroid nodule. The results in terms of sensitivity, specificity and nondiagnostic cytology in our series are acceptable.

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