Endocrine Abstracts

In our centre we use CNB for routine study of thyroid nodules since 2005. Four diagnostic categories for CNB’s results have been standardised: insufficient; benign; follicular proliferation (FOL), including follicular and oncocytic neoplasms; and malignant. Diagnosis of FOL was defined according to the presence of microfollicular patterned biopsies with scant or absent colloid, sometimes with minimal pleomorphism or discrete nuclear changes. This category could be equival...