Hong Kong Med J 2010;16:367–72 | Number 5, October 2010
Localisation of occult breast lesion: a comparative analysis of hookwire and radioguided procedures
Tiffany YC Chu, CY Lui, WK Hung, SK Kei, Catherine LY Choi, HS Lam
Department of Radiology, Kwong Wah Hospital, Kowloon, Hong Kong
OBJECTIVES. For occult breast lesions, to retrospectively compare the performance of radioguided and hookwire methods in terms of ease of localisation and surgical procedures, and the ability to obtain a specimen with a clear margin.
DESIGN. Retrospective study.
SETTING. Regional hospital, Hong Kong.
PATIENTS. All patients who underwent occult breast lesion localisation by either ultrasonography- or stereotactic-guided radioguided occult lesion localisation or hookwire localisation from August 2003 to December 2007 were included.
MAIN OUTCOME MEASURES. Demographic data, localisation and operation procedure time, size of specimens and margin clearance.
RESULTS. In all, 165 patients (mean age, 52 years) having these procedures were assessed. In 98 instances, the procedure (hookwire=53, radioguided=45) was for diagnostic purposes and in 67 (hookwire=23, radioguided=44) for therapy. Both techniques attained a very high success rate (>95%). For radioguided occult lesion localisation, there was a significantly shorter mean localisation time than for hookwire localisation (18 min versus 31 min; P
CONCLUSION. Radioguided occult lesion localisation excels in yielding a much shorter localisation time and is as good as hookwire localisation in terms of specimen margin clearance and need for re-excision. It also offers the advantage of enabling simultaneous sentinel lymph node biopsy for invasive cancers. Therefore it is a recommended procedure that should be used more widely.
Key words: Breast neoplasms/radionuclide imaging; Breast neoplasms/surgery; Breast neoplasms/ultrasonography; Mastectomy
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