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Is there a real diagnostic impact of elastosonography and contrast-enhanced ultrasonography in the management of thyroid nodules?

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2013年第3期14卷 195-206页

作者： Massimo GIUSTI Davide ORLANDI Giulia MELLE Barbara MASSA Enzo SILVESTRI Francesco MINUTO gianni turtulici Endocrine Unit San Martino University Hospital Radiology Unit Evangelico Hospital Cytopathology and Pathology Unit San Martino University Hospital

Ultrasonography(US) and the new applications US elastography(USE) and contrast-enhanced US(CEUS) are used in the screening of thyroid nodules,for which fine-needle aspiration biopsy(FNAB) is the best single diagnostic *** aim of the study was to compare the sensitivity,specificity,positive predictive value(PPV),and accuracy of the four examinations in nodules with cytological and histological *** study used data from US,FNAB,USE(elasticity(ELX 2/1) index),and CEUS(Peak index and time to peak(TTP) index) evaluated in 73 thyroid nodules in 63 consecutive patients likely to undergo ***-histological correlation was available for 38 *** correlation emerged between nodule size and cytological results.A significant(P=0.03) positive correlation between cumulative US findings and cytological results was *** addition,significant correlations between cumulative US findings and cytology(P=0.02) and between cumulative US findings and histology(P<0.0001) were *** showed the best specificity and PPV,and FNAB the best *** was no significant difference in the ELX 2/1 index,Peak index,or TTP index among nodules subdivided according to cytological *** significant correlation was found between ELX 2/1 index,Peak index,and TTP index,on the one hand,and nodule size,US cumulative findings,cytology,and histology on the other *** sensitivity of the ELX 2/1 index was high,but its specificity was very *** accuracy and PPV of USE were lower than those of the other *** the correlation between Peak index and cumulative US findings reached a value close to *** ultimate aim is to minimise unnecessary *** and FNAB continue to play a central diagnostic *** use of a US score showed high specificity and *** specificity of FNAB was low in this selected series because of the numbers of indeterminate cytological *** and CEUS are innovative techniques that need to be standa

关键词： Thyroid nodules Cytology Histology Ultrasonography Elastosonography Contrast-enhanced ultrasonography

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