Comparison on the use of semi-automated and automated core biopsy needle in ultrasound guided breast biopsy

Radhika Sridharan, Shereen Mohd Yunos, Suraya Aziz, Rizuana Iqbal Hussain, Sharifah Majedah Idrus Alhabshi, Suria Hayati Md Pauzi, Saladina Jaszle Jasmin, Zulfiqar Mohd Annuar

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objective: The aim of this study was to compare the use of semi-automated (Medax Velox 2; Poggio Rusco, Italy) and automated (Bard Magnum Biopsy Instrument; Covington, GA, USA) core biopsy needles, for ultrasound guided breast biopsy. Materials and Methods: A 14G semi-automatic spring loaded core biopsy needle with a 22-mm-throw (Medax Velox 2; Poggio Rusco, Italy) and 14-gauge automated needle device with a 22-mm-throw biopsy gun (Bard-Magnum Biopsy Instrument, Covington, GA, USA) were used for breast biopsies under ultrasound guidance on alternate months during the study period between July 2009 and May 2011. One hundred and sixty lesions were biopsied and specimens were sent for histological evaluation. Results: The automated needle obtained a higher number of histology reports at 84% (67/80) as compared with the semiautomated needle at 60% (48/80) (Fisher exact test, p value=0.023). Inadequate samples with the automated needle were much less at 9% (7/60) than with the semiautomated needle at 23% (18/60) (Fisher exact test, p value=0.028). The semi-automated needle showed slightly less fragmented samples. However, the number of fragmented samples with definitive diagnosis was slightly higher with the automated compared with the semiautomated needle, at 16% (13/80) and 13% (10/80) respectively. Compared with histology of 29 lesions that were excised, the semi-automated needle had higher sensitivity (100%) but lower specificity (75%) and accuracy (90%) compared with the automated needle (88% sensitivity, 100% specificity, 95% accuracy). Conclusion: Definitive diagnosis from the study samples slightly favours the use of automated core biopsy needle as compared to semi-automated core biopsy needle.

Original languageEnglish
Pages (from-to)326-333
Number of pages8
JournalMedical Journal of Malaysia
Volume70
Issue number6
Publication statusPublished - 1 Dec 2015

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Large-Core Needle Biopsy
Needles
Breast
Biopsy
Italy
Histology
Firearms
Sensitivity and Specificity
Equipment and Supplies

Keywords

  • Automated
  • Breast
  • Core biopsy
  • Semi-automated
  • Ultrasound

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Comparison on the use of semi-automated and automated core biopsy needle in ultrasound guided breast biopsy. / Sridharan, Radhika; Yunos, Shereen Mohd; Aziz, Suraya; Iqbal Hussain, Rizuana; Idrus Alhabshi, Sharifah Majedah; Md Pauzi, Suria Hayati; Jasmin, Saladina Jaszle; Annuar, Zulfiqar Mohd.

In: Medical Journal of Malaysia, Vol. 70, No. 6, 01.12.2015, p. 326-333.

Research output: Contribution to journalArticle

Sridharan, Radhika ; Yunos, Shereen Mohd ; Aziz, Suraya ; Iqbal Hussain, Rizuana ; Idrus Alhabshi, Sharifah Majedah ; Md Pauzi, Suria Hayati ; Jasmin, Saladina Jaszle ; Annuar, Zulfiqar Mohd. / Comparison on the use of semi-automated and automated core biopsy needle in ultrasound guided breast biopsy. In: Medical Journal of Malaysia. 2015 ; Vol. 70, No. 6. pp. 326-333.
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AU - Iqbal Hussain, Rizuana

AU - Idrus Alhabshi, Sharifah Majedah

AU - Md Pauzi, Suria Hayati

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AB - Objective: The aim of this study was to compare the use of semi-automated (Medax Velox 2; Poggio Rusco, Italy) and automated (Bard Magnum Biopsy Instrument; Covington, GA, USA) core biopsy needles, for ultrasound guided breast biopsy. Materials and Methods: A 14G semi-automatic spring loaded core biopsy needle with a 22-mm-throw (Medax Velox 2; Poggio Rusco, Italy) and 14-gauge automated needle device with a 22-mm-throw biopsy gun (Bard-Magnum Biopsy Instrument, Covington, GA, USA) were used for breast biopsies under ultrasound guidance on alternate months during the study period between July 2009 and May 2011. One hundred and sixty lesions were biopsied and specimens were sent for histological evaluation. Results: The automated needle obtained a higher number of histology reports at 84% (67/80) as compared with the semiautomated needle at 60% (48/80) (Fisher exact test, p value=0.023). Inadequate samples with the automated needle were much less at 9% (7/60) than with the semiautomated needle at 23% (18/60) (Fisher exact test, p value=0.028). The semi-automated needle showed slightly less fragmented samples. However, the number of fragmented samples with definitive diagnosis was slightly higher with the automated compared with the semiautomated needle, at 16% (13/80) and 13% (10/80) respectively. Compared with histology of 29 lesions that were excised, the semi-automated needle had higher sensitivity (100%) but lower specificity (75%) and accuracy (90%) compared with the automated needle (88% sensitivity, 100% specificity, 95% accuracy). Conclusion: Definitive diagnosis from the study samples slightly favours the use of automated core biopsy needle as compared to semi-automated core biopsy needle.

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