Abstract
The standard technique for surgical excision of mammographically detected, ultrasound invisible, non-palpable breast lesions is by pre-operative stereotactic guidewire localization (SGL). Disadvantages of SGL include patient discomfort, ionizing radiation, the requirement for more staff and longer procedure time. Ultrasound visible clips are used for localisation after vacuum-assisted core biopsies (VACB) but clip migration and visibility are problems. Post-VACB, the biopsy cavity fills with haematoma, which is ultrasonographi-cally visible and can be used as a 'marker' for guidewire localisation. Centres in America have successfully used ultrasound intraoperatively to identify the post-biopsy haematoma and guide surgical excision; but no centres have attempted to use ultrasound pre-operatively to locate the post-biopsy haematoma and direct guidewire placement. We aim to describe this new technique of haematoma-directed ultrasound guidewire localisation (HUGL) and compare its accuracy with SGL.
Highlights
The aim of the study was to assess real life reader performance as a function of volume of mammograms read in a large multicentre cohort
This study examined the effect of arbitration of indeterminate mammograms only following consensus decision to recall
The data demonstrated that participants were as able to identify abnormalities without the need of using image enhancement manipulations as they were with them (P > 0.5)
Summary
The aim of the study was to assess real life reader performance as a function of volume of mammograms read in a large multicentre cohort. The standard technique for surgical excision of mammographically detected, ultrasound invisible, non-palpable breast lesions is by pre-operative stereotactic guidewire localization (SGL). Methods Between September 2007 and June 2009, 15 patients with mammographically detected, non-palpable, ultrasound invisible breast lesions had VACB followed by HUGL We compared this technique with 15 consecutive patients who underwent SGL. This study was performed to compare the ipsilateral post-operative mammography findings, frequency of ultrasound and image-guided biopsy post-TM with a group of women who had undergone wide local excision (WLE). Methods Between August 2004 and March 2009, 41 cases of ductal carcinoma in situ (DCIS) were retrospectively identified from the screen-detected cases of microcalcifications who underwent stereotactic WBN biopsy with a 14g automated device The histology from these cases was compared with the post-surgery histology
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