alexa Comparison of diagnostic yield of core-needle and fine-needle aspiration biopsies of thyroid lesions: Systematic review and meta-analysis.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular Biomarkers & Diagnosis

Author(s): Wolinski K, Stangierski A, Ruchala M

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Abstract OBJECTIVES: Thyroid nodular disease is one of the most commonly observed medical conditions. Cytological evaluation of the specimens obtained with fine-needle aspiration biopsy (FNAB) is the most accurate tool for selecting nodules which should be further surgically removed. A major limitation of this method is the high occurrence of non-diagnostic results. This indicates the need for improvement of the thyroid biopsy technique. The aim of this meta-analysis was to compare the diagnostic value of thyroid core-needle biopsies (CNBs) and FNABs. MATERIALS AND METHODS: PubMed/MEDLINE, Cochrane Library, Scopus, Cinahl, Academic Search Complete, Web of Knowledge, PubMed Central, PubMed Central Canada and Clinical Key databases were searched. Risk ratios (RRs) of non-diagnostic results were meta-analysed using the random-effects model. RESULTS: Eleven studies were included in the quantitative analysis. CNB yielded significantly more diagnostic results - the pooled risk ratio (RR) of gaining a non-diagnostic result was 0.27 (p<0.0001). For lesions with one previous non-diagnostic FNAB, RR was 0.22 (p<0.0001). CONCLUSIONS: CNB seems to be a valuable diagnostic technique yielding a higher proportion of diagnostic results than conventional FNAB. It is also significantly more effective in case of nodules with a prior non-diagnostic result of FNAB results than repeated FNABs. KEY POINTS: • Core-needle biopsy yields a higher proportion of diagnostic results than fine-needle biopsy. • Core-needle biopsies may decrease the amount of unnecessary thyroidectomies. • Probability of gaining non-diagnostic result using core-needle biopsy is almost four times lower. This article was published in Eur Radiol and referenced in Journal of Molecular Biomarkers & Diagnosis

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