Comparison on the use of semi-automated and automated core biopsy needle in ultrasound guided breast biopsy
- Author:
Radhika Sridharan
;
Shereen Mohd Yunos
;
Suraya Aziz
;
Rizuana Iqbal Hussain
;
Sharifah Majedah Idrus Alhabshi
;
Suria Hayati Md Pauzi
;
Saladina Jaszle Jasmin
;
Zulfiqar Mohd Annuar
- Publication Type:Journal Article
- Keywords:
Semi-automated;
automated;
core biopsy;
ultrasound;
breast
- From:
The Medical Journal of Malaysia
2015;70(6):325-333
- CountryMalaysia
- Language:English
-
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.
- Full text:P020160224395617007483.pdf
