Abstract:
AIM:To assess whether the size of peritumoural stiffness (PTS) on shear-wave elastography (SWE) for small primary breast cancers (≤15 mm) was associated with size discrepancies between grey-scale ultrasound (GSUS) and final histological size and whether the addition of PTS size to GSUS size might result in more accurate tumour size estimation when compared to final histological size. MATERIALS AND METHODS:A retrospective analysis of 86 consecutive patients between August 2011 and February 2013 who underwent breast-conserving surgery for tumours of size ≤15 mm at ultrasound was carried out. The size of PTS stiffness was compared to mean GSUS size, mean histological size, and the extent of size discrepancy between GSUS and histology. PTS size and GSUS were combined and compared to the final histological size. RESULTS:PTS of >3 mm was associated with a larger mean final histological size (16 versus 11.3 mm, p < 0.001). PTS size of >3 mm was associated with a higher frequency of underestimation of final histological size by GSUS of >5 mm (63% versus 18%, p < 0.001). The combination of PTS and GSUS size led to accurate estimation of the final histological size (p = 0.03). The size of PTS was not associated with margin involvement (p = 0.27). CONCLUSION:PTS extending beyond 3 mm from the grey-scale abnormality is significantly associated with underestimation of tumour size of >5 mm for small invasive breast cancers. Taking into account the size of PTS also led to accurate estimation of the final histological size. Further studies are required to assess the relationship of the extent of SWE stiffness and margin status.
journal_name
Clin Radioljournal_title
Clinical radiologyauthors
Mullen R,Thompson JM,Moussa O,Vinnicombe S,Evans Adoi
10.1016/j.crad.2014.08.002subject
Has Abstractpub_date
2014-12-01 00:00:00pages
1259-63issue
12eissn
0009-9260issn
1365-229Xpii
S0009-9260(14)00394-8journal_volume
69pub_type
杂志文章abstract::In order to assess the validity of quantitative duplex Doppler measurements of portal vein flow, 10 patients with proven diffuse liver disease and portal hypertension were examined serially by two independent observers over a 3 month period. Multiple measurements of the portal vein were made using a consistent techniq...
journal_title:Clinical radiology
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doi:10.1053/crad.2000.0501
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journal_title:Clinical radiology
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doi:10.1016/s0009-9260(84)80232-9
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pub_type: 杂志文章
doi:10.1016/s0009-9260(79)80072-0
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journal_title:Clinical radiology
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journal_title:Clinical radiology
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